Examine the Oil-Filler Access-Door Assembly [IAE]

TASK 71-13-14-200-010-B
Examine the Oil-Filler Access-Door Assembly

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

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

ZONE: 400

1. Reason for the Job
This task gives the data for a general check of the oil-filler access-door assembly.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	1	BIT - ALLEN TYPE 1.98MM (5/64 IN) LENGTH 25.4MM (1 IN)
No specific	1	COLLAR REMOVAL TOOL HI LOCK HLH128
No specific	1	SCREWDRIVER
No specific	AR	WARNING NOTICE(S)
No specific	1	WRENCH 5-16 IN (0,312 IN) - RING SPANNER
IAE1N20444	1	TOOL-TAPPING

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V01-076)	methyl ethyl ketone, technical grade
(Material No.V04-005)	jointing compound
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
2	PIN	AIPC 71-13-14-80-200
3	WASHER	AIPC 71-13-14-80-210
4	COLLAR	AIPC 71-13-14-80-220

E. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-05-230-010-A	Local Application of Fluorescent Penetrant Inspection
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-14-300-012-A	Replace the Hinge on the Oil Filler Access Door - VRS2849
NTM 511008
Oil-Filler Access Door

3. Job Set-up
Subtask 71-13-14-941-059-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Put the WARNING NOTICE(S) in position to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than five minutes before you do this procedure.
(3) On overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).

Subtask 71-13-14-010-060-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL, 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL, 448AR.
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(3) Open the oil-filler access door (1).

Oil-Filler Access Door ** ON A/C NOT FOR ALL

(a) Release the latches (6).

Subtask 71-13-14-110-063-A ** ON A/C NOT FOR ALL

C. Clean the oil-filler access door.

Oil-Filler Access Door ** ON A/C NOT FOR ALL

(1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with the V01-076methyl ethyl ketone, technical grade to clean the oil-filler access door (1) and the hinge (5).
(2) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) to dry the area before the cleaning fluid dries.

4. Procedure
Subtask 71-13-14-020-053-A ** ON A/C NOT FOR ALL

A. Removal of the Oil-Filler Access Door
(1) Remove the Hi-Lok collars (4), washer (3) and Hi-Lok pins (2) from the left fan cowl.
(a) Use the COLLAR REMOVAL TOOL HI LOCK HLH128 to remove the Hi-Lok collars (4) from the left fan cowl.
(b) Remove the washers (3) from the Hi-Lok pins (2).
(c) Push the Hi-Lok pins (2) out of the hinge (5) and the left fan cowl.
(2) Remove the oil-filler access door (1).
(3) Discard the Hi-Lok pins (2), Hi-Lok collars (4) and washers (3).

Subtask 71-13-14-230-052-A ** ON A/C NOT FOR ALL

B. Examine the full length of the oil-filler access-door hinge for cracks.
(1) Use one of the procedures that follow to examine the full length of the hinge (5) for cracks:
(a) Do the high-frequency eddy-current inspection to do a check for cracks NTM 511008:
1 If you find cracks, replace the hinge (5) (Ref. AMM TASK 71-13-14-300-012).
(b) Do the fluorescent penetrant inspection to do a check for cracks:
1 If there is paint, remove it from the inspection area.
2 Do the fluorescent penetrant inspection to do a check for cracks (Ref. AMM TASK 70-23-05-230-010).
3 If you find cracks, replace the hinge (5) (Ref. AMM TASK 71-13-14-300-012).
4 Apply the protective finish and the paint on the hinge (5) if you removed them.

Subtask 71-13-14-220-062-A ** ON A/C NOT FOR ALL

C. Examine the oil-filler access-door assembly.
(1) Examine the oil-filler access door lands (1):
(a) Examine the oil-filler access door lands (1) in zone A for:
1 Friction damage
2 Gouges
3 Nicks
4 Cracks
5 Scratches
6 Pierce damage.
(b) Inspection limits:
1 Friction damage is permitted if it is not more than the resin surface in depth.
2 Gouges:
a Accept the components if the gouges have a maximum depth of 0.01 in. (0.25 mm) when blended.
b Reject the components if the gouges are more than 0.01 in. (0.25 mm) in depth when blended.
3 Nicks:
a Accept the components if the nicks have a maximum depth of 0.01 in. (0.25 mm) when blended.
b Reject the components if the nicks are more than 0.01 in. (0.25 mm) in depth when blended.
4 Cracks:
a No cracks are permitted.
5 Scratches:
a Accept the components if the scratches have a maximum depth of 0.01 in. (0.25 mm) and are not more than 7 in. (177.80 mm) in length when blended.
b Reject the components if the scratches are more than 0.01 in. (0.25 mm) in depth and 7 in. (177.80 mm) in length when blended.
6 Pierce damage:
a No holes are permitted.
(2) Examine the edges of the oil-filler access door (1):
(a) Examine the edges of the oil-filler access-door (1) in zone B for:
1 Friction damage
2 Gouges
3 Nicks
4 Scratches.
(b) Inspection limits:
1 Friction damage is permitted if it is not more than the resin surface in depth.
2 Gouges:
a Accept the components if the gouges have a maximum depth of 0.01 in. (0.25 mm) when blended.
b Reject the components if the gouges are more than 0.01 in. (0.25 mm) in depth when blended.
3 Nicks:
a Accept the components if the nicks have a maximum depth of 0.01 in. (0.25 mm) when blended.
b Reject the components if the nicks are more than 0.01 in. (0.25 mm) in depth when blended.
4 Scratches:
a Accept the components if the scratches have a maximum depth of 0.01 in. (0.25 mm) and are not more than 7 in. (177.80 mm) in length when blended.
b Reject the components if the scratches are more than 0.01 in. (0.25 mm) in depth and 7 in. (177.80 mm) in length when blended.
(3) Fully examine the hinge (5) of the oil-filler access door (1):
(a) Examine the hinge (5) for:
1 Nicks
2 Scratches
3 Burrs
4 Loose Hi-Loks (7)
5 Corrosion
6 Wear.
(b) Inspection limits:
1 Nicks:
a Accept the components if the nicks have a maximum depth of 0.01 in. (0.25 mm) when blended.
b Reject the components if the nicks are more than 0.01 in. (0.25 mm) in depth when blended.
2 Scratches:
a Accept the components if the scratches have a maximum depth of 0.01 in. (0.25 mm) when blended.
b Reject the components if the scratches are more than 0.01 in. (0.25 mm) in depth when blended.
3 Burrs:
a Accept the components if the burrs have a maximum depth of 0.01 in. (0.25 mm) when blended.
b Reject the components if the burrs are more than 0.01 in. (0.25 mm) in depth when blended.
4 Loose Hi-Loks (7):
a If there are loose Hi-Loks (7), repair them (Ref. AMM TASK 71-13-14-300-012).
5 Wear:
a Accept the components if the radial movement is a maximum of 0.01 in. (0.25 mm).
b Reject the components if the radial movement is more than 0.01 in. (0.25 mm).
(4) Examination of the other areas of the oil-filler access door (1):
(a) Examine the other areas of the oil-filler access door (1) for:
1 Friction damage.
2 Gouges
3 Nicks
4 Cracks
5 Scratches
6 Pierce damage.
(b) Inspection limits:
1 Friction damage is permitted if it is not more than the resin surface in depth.
2 Gouges:
a Accept the components if the gouges have a maximum depth of 0.01 in. (0.25 mm) and are not more than 7 in. (177.80 mm) in length when blended.
b Reject the components if the gouges are more than 0.01 in. (0.25 mm) in depth and 7 in. (177.80 mm) in length when blended.
3 Nicks:
a Accept the components if the nicks have a maximum depth of 0.01 in. (0.25 mm) when blended.
b Reject the components if the nicks are more than 0.01 in. (0.25 mm) in depth when blended.
4 Cracks:
a No cracks are permitted.
5 Scratches:
a Accept the components if the scratches have a maximum depth of 0.01 in. (0.25 mm) and are not more than 7 in. (177.80 mm) in length when blended.
b Reject the components if the scratches are more than 0.01 in. (0.25 mm) in depth and 7 in. (177.80 mm) in length when blended.
6 Pierce damage:
a No holes are permitted.

Subtask 71-13-14-280-052-A ** ON A/C NOT FOR ALL

D. Inspection of the Oil-Filler Access Door
(1) Do a check of the oil-filler access door (1) for delamination:

NOTE: The delamination can occur near the edges of the door and near other damaged areas.

(a) Use the IAE1N20444 TOOL-TAPPING, to do a sonic test of the areas of possible delamination.
(2) Delamination:
(a) No delamination is permitted.

Subtask 71-13-14-420-058-A ** ON A/C NOT FOR ALL

E. Installation of the Oil-Filler Access Door
(1) Install the oil-filler access door (1):
(a) Apply a thin layer of the jointing compound (Material No.V04-005) on the mating surfaces on the hinge (5) and the left fan cowl.
(b) Let the parts dry for ten minutes before you assemble them.
(c) Align the holes in the hinge (5) with the holes in the left fan cowl.
(d) Install the six new AIPC 71-13-14-80-200 PIN (2) into the holes in the hinge (5) and the left fan cowl.
1 Put the new AIPC 71-13-14-80-210 WASHER (3) and the new AIPC 71-13-14-80-220 COLLAR (4) on the six Hi-Lok pins (2).
(e) Tighten the Hi-Lok pins (2) and the collars (4).
1 Use the WRENCH 5-16 IN (0,312 IN) - RING SPANNER to turn the collars (4) and the BIT - ALLEN TYPE 1.98MM (5/64 IN) LENGTH 25.4MM (1 IN) with the SCREWDRIVER to hold the pins (2).
2 Tighten each of the collars (4) equally, to assemble the hinge (5) and the left fan cowl together.
3 Tighten each of the collars (4) until the hexagonal nut breaks off the collar.

Subtask 71-13-14-220-063-A ** ON A/C NOT FOR ALL

F. Do a check of the clearance around the oil-filler access door.
(1) Make sure that the door is closed.
(2) Measure the clearance around the edges of the door and its opening in the fan cowl.
(3) If the clearance is not between 0.055 in. (1.40 mm) and 0.110 in. (2.79 mm), reject the door.

5. Close-up
Subtask 71-13-14-410-060-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the oil-filler access door (1).

Oil-Filler Access Door ** ON A/C NOT FOR ALL

(a) Close the door and lock the latches (6).
(3) Remove the access platform(s).
(4) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL, 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL, 448AR.
(5) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:29:43 UTC