Repair of the Seal of the Aft Passenger/Crew Door

TASK 52-13-18-300-001-A
Repair of the Seal of the Aft Passenger/Crew Door

WARNING: BEFORE YOU START WORK, YOU MUST PUT ON A SAFETY HARNESS AND ATTACH IT TO THE ACCESS PLATFORM. WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 832
ZONE: 842

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	AR	CLAMPS
No specific	AR	CLOTH-EMERY, FINE
No specific	AR	CLOTH-EMERY, VERY FINE
No specific	AR	SPATULA - NON METALLIC

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06CED1)	Silicone Adhesive Sealant-Rubber & Plastic Bonding One part -
(Material No.06CMD9)	Silicone Adhesive Sealant-General Purpose One part legacy
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.13XJA1)	Laminate Repair Patch-Pax Door Seal - -
(Material No.14HHB1)	Film-Rubber Bonding Polyester Foil -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
832	AFT PASSENGER/CREW DOOR
842	AFT PASSENGER/CREW DOOR
832, 842

D. Referenced Information

REFERENCE	DESIGNATION
TASK 52-10-00-010-001-A	Opening of the Passenger/Crew Door
TASK 52-10-00-410-001-A	Closing of the Passenger/Crew Door
TASK 52-10-00-860-001-A	Special Precautions before Work on the Passenger/Crew Door
TASK 52-10-00-860-002-A	Special Precautions after Work on the Passenger/Crew Door
TASK 52-11-18-000-001-A	Removal of the Door Seal
TASK 52-11-18-400-001-A	Installation of the Door Seal
TASK 52-13-18-000-001-A	Removal of the Door Seal
TASK 52-13-18-400-001-A	Installation of the Door Seal
Wooden Bonding Block
Wooden Bonding Block
Repair of Damage
Repair of Damage
Wooden Bonding Block
Repair of Damage

3. Job Set-up
Subtask 52-13-18-941-052-A

A. Get Access

WARNING: BEFORE YOU START WORK ON THE DOOR, MAKE SURE THAT:

THE EMERGENCY CONTROL HANDLE IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.
THE PERCUSSION LEVER OF THE DOOR-DAMPER AND EMERGENCY-OPERATION CYLINDER IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.

IF YOU DO NOT OBEY THESE INSTRUCTIONS, THE DOOR CAN OPEN WITH FORCE OR THE ESCAPE SLIDE CAN DEPLOY SUDDENLY. THIS CAN CAUSE INJURY AND/OR DAMAGE.

WARNING: STOP THE OPENING PROCEDURE IF THE RED WARNING LIGHT FLASHES. IF THE RED WARNING LIGHT FLASHES, REMAINING PRESSURE CAN CAUSE THE DOOR TO OPEN SUDDENLY AND CAN:

KILL OR CAUSE SERIOUS INJURY TO PERSONS
CAUSE DAMAGE TO THE AIRCRAFT.

(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 832 or 842.
(2) Open aft passenger/crew door 832 or 842 (Ref. AMM TASK 52-10-00-010-001).
(3) Obey the special precautions before you start the work on the passenger/crew door (Ref. AMM TASK 52-10-00-860-001).

Subtask 52-13-18-020-051-A

B. Removal of the Door Seal
(1) Remove the door seal (Ref. AMM TASK 52-13-18-000-001).

4. Procedure
Subtask 52-13-18-340-052-A

A. Repair of the Chafing on the Seal
(1) Lightly rub the chafing area with the CLOTH-EMERY, VERY FINE.
(2) Carefully remove the grease from the chafing area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(3) Apply a thin layer of Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) on the chafing area and make it smooth with the SPATULA - NON METALLIC.
(4) To prevent dust on the chafing area let the adhesive sealant dry between 10 and 12 hours.

Subtask 52-13-18-340-050-A

B. Repair of Cuts with a Small Depth (not more than one third of the thickness of the seal)

NOTE: A minimum of 24 hours is necessary to do this repair procedure.

(1) If less time is available, replace the defective door seal with a new one (Ref. AMM TASK 52-11-18-000-001) and (Ref. AMM TASK 52-11-18-400-001).
(2) Lightly rub the cut area with the CLOTH-EMERY, VERY FINE.
(3) Carefully remove the grease from the cut area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(4) Apply Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) or Silicone Adhesive Sealant-Rubber & Plastic Bonding One part - (Material No.06CED1) on the cut area and make it smooth with the SPATULA - NON METALLIC.
(5) To prevent dust on the cut area let the adhesive sealant dry between 10 and 12 hours.

Subtask 52-13-18-340-051-A

C. Permanent Repair of Cuts with a Large Depth (more than one third of the thickness of the seal) and Small Holes

NOTE: A repair of the cuts is only permitted if the cuts are not longer than 25.4 mm (1.0 in.).
A repair of the holes is only permitted if:

The holes are less than 6.4 mm (0.25 in.) and the distance between each hole is more than 25.4 mm (1.0 in.).
There are not more than three holes in a section of 200.0 mm (7.87 in.).
In all other conditions, prepare a splice repair of the door seal (refer to Para. 4.E. Repair of the Very Damaged Area).

NOTE: A minimum of 24 hours is necessary to do this repair procedure.

(1) If less time is available, replace the defective door seal with a new one (Ref. AMM TASK 52-11-18-000-001) and (Ref. AMM TASK 52-11-18-400-001).
(2) Drill stop holes with a diameter of 2.0 mm (0.08 in.) at the ends of the cuts.
(3) Push the seal to open the cut area.
(4) Lightly rub the cut area with the CLOTH-EMERY, VERY FINE.
(5) Carefully remove the grease from the cut area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(6) Apply a thin layer of Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) or Silicone Adhesive Sealant-Rubber & Plastic Bonding One part - (Material No.06CED1) on the cut area.
(7) Push the edges of the cut area together and let them dry for some minutes.
(8) Cut pieces of Laminate Repair Patch-Pax Door Seal - - (Material No.13XJA1) to put them on the cuts.
(9) Apply a thin layer of Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) or Silicone Adhesive Sealant-Rubber & Plastic Bonding One part - (Material No.06CED1) on the damaged area.
(10) If the cuts have a large depth, cut pieces of Laminate Repair Patch-Pax Door Seal - - (Material No.13XJA1) of a sufficient dimension to put them around the seal.
(11) Put pieces of Laminate Repair Patch-Pax Door Seal - - (Material No.13XJA1) on the cuts and put a layer of Film-Rubber Bonding Polyester Foil - (Material No.14HHB1) on the damaged area.
(12) Put the seal in a wooden bonding block.
(13) Compress the seal with the wooden bonding block and the CLAMPS and let it dry for 24 hours.
(14) Remove the wooden bonding block, the film-rubber bonding polyester-foil and the unwanted adhesive sealant with the CLOTH-EMERY, VERY FINE.

Subtask 52-13-18-340-054-A

D. Temporary Repair of Cuts with a Large Depth (more than one third of the thickness of the seal) and Small Holes

NOTE: A repair of the cuts is only permitted if the cuts are not longer than 25.4 mm (1.0 in.).
A repair of the holes is only permitted if:

The holes are less than 6.4 mm (0.25 in.) and the distance between each hole is more than 25.4 mm (1.0 in.).
There are not more than three holes in a section of 200.0 mm (7.87 in.).
In all other conditions, prepare a splice repair of the door seal (refer to Para. 4.E. Repair of the Very Damaged Area).

NOTE: This temporary repair has a limit of four flight cycles.

NOTE: A minimum of 24 hours is necessary to do this repair procedure.

(1) If less time is available, replace the defective door seal with a new one (Ref. AMM TASK 52-11-18-000-001) and (Ref. AMM TASK 52-11-18-400-001).
(2) Drill stop holes with a diameter of 2.0 mm (0.08 in.) at the ends of the cuts.
(3) Push the seal to open the cut area.
(4) Lightly rub the cut area with the CLOTH-EMERY, VERY FINE.
(5) Carefully remove the grease from the cut area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(6) Apply a thin layer of Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) or Silicone Adhesive Sealant-Rubber & Plastic Bonding One part - (Material No.06CED1) on the cut area.
(7) Push the edges of the cut area together and let them dry for some minutes.
(8) Cut pieces of Laminate Repair Patch-Pax Door Seal - - (Material No.13XJA1) to put them on the cut area.
(9) Apply a thin layer of Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) or Silicone Adhesive Sealant-Rubber & Plastic Bonding One part - (Material No.06CED1) on the damaged area.
(10) If the cuts have a large depth, cut pieces of Laminate Repair Patch-Pax Door Seal - - (Material No.13XJA1) of a sufficient dimension to put them around the seal.
(11) Put pieces of Laminate Repair Patch-Pax Door Seal - - (Material No.13XJA1) on the cuts and put a layer of Film-Rubber Bonding Polyester Foil - (Material No.14HHB1) on the damaged area.
(12) Put the seal in a wooden bonding block.
(13) Compress the seal with the wooden bonding block and the CLAMPS and let it dry for 24 hours.
(14) Remove the wooden bonding block, the film-rubber bonding polyester-foil and the unwanted adhesive sealant with the CLOTH-EMERY, VERY FINE.

Subtask 52-13-18-340-055-A

E. Repair of the Very Damaged Area (Splice Repair)

NOTE: A minimum of 24 hours is necessary to do this repair procedure.

(1) If less time is available, replace the defective door seal with a new one (Ref. AMM TASK 52-11-18-000-001) and (Ref. AMM TASK 52-11-18-400-001).
(2) Cut the seal at a minimum distance of 50.0 mm (1.97 in.) from the next inflation hole to remove the damaged section of the seal.

NOTE: The minimum repair length of the section is:

For a straight section, 200.0 mm (7.87 in.)
For a section with curves, 200.0 mm (7.87 in.) measured from the edge of the corner.

(3) For the straight section and the section with curves, cut a section of the replacement seal with the same length as the removed section.
(4) Make sure that the replacement seal has the same quantity of inflation holes as the removed section.
(5) Carefully remove the first layer of the replacement tissue from the ends of the seal and the replacement section on a length of 25.4 mm (1.0 in.) (damaged area).
(6) Lightly rub the damaged area with the CLOTH-EMERY, FINE.
(7) Carefully remove the grease from the surface with Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .
(8) Apply a thin layer of Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) or Silicone Adhesive Sealant-Rubber & Plastic Bonding One part - (Material No.06CED1) on the ends of the seal and the replacement section.
(9) Make sure that the inflation holes of the replacement section are in the correct position:

CAUTION: MAKE SURE THAT THE DOOR SEAL IS INSTALLED IN THE CORRECT POSITION. IF IT IS NOT INSTALLED IN THE CORRECT POSITION, IT WILL NOT INFLATE CORRECTLY DURING FLIGHT.

(a) Make sure that the inflation holes of the replacement section are in the same position as the inflation holes of the remaining section.
(10) Push and hold the ends of the replacement section and the seal together and let them dry for some minutes.
(11) Cut pieces of Laminate Repair Patch-Pax Door Seal - - (Material No.13XJA1) equal to the dimension of the damaged area.
(12) Apply a layer of Silicone Adhesive Sealant-General Purpose One part legacy (Material No.06CMD9) or Silicone Adhesive Sealant-Rubber & Plastic Bonding One part - (Material No.06CED1) on the mating surfaces of the replacement tissue and the damaged area.
(13) Wind the replacement tissue around the damaged area.
(14) Apply a layer of Film-Rubber Bonding Polyester Foil - (Material No.14HHB1) on the damaged area.
(15) Put the seal in a wooden bonding block.
(16) Compress the seal with the wooden bonding block and the CLAMPS and let it dry for 24 hours.
(17) Remove the wooden bonding block and the film-rubber bonding polyester-foil from the damaged area of the seal.
(18) Lightly rub the damaged area with the CLOTH-EMERY, VERY FINE to get a smooth seal surface.

5. Close-up
Subtask 52-13-18-420-051-A

A. Installation of the Door Seal
(1) Install the door seal (Ref. AMM TASK 52-13-18-400-001).

Subtask 52-13-18-942-053-A

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Obey the special precautions after the work on the passenger/crew door (Ref. AMM TASK 52-10-00-860-002).
(3) Close aft passenger/crew door 832 or 842 (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.02 06:27:29 UTC