Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer

TASK 55-33-13-000-001-A
Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

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.

ZONE: 325

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

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	SCRAPER - NON METALLIC
No specific	1	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
325	VERTICAL STABILIZER TRAILING EDGE
325BL, 325BR, 325CL, 325CR, 325DL, 325EL, 325ER
325FR, 325GR
325DR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 55-33-13-010-002-A	Opening/Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer
Vertical Stabilizer Trailing-Edge ** ON A/C NOT FOR ALL
Trailing Edge Access-Panels of the Vertical Stabilizer ** ON A/C NOT FOR ALL
Trailing Edge Access-Panels of the Vertical Stabilizer ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 55-33-13-865-050-A

A. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B11
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B09
49VU	FLIGHT CONTROLS/SEC1/NORM/SPLY	21CE1	B08
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B06
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B04
49VU	FLIGHT CONTROLS/SEC1/NORM/SPLY	21CE1	B03
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
** ON A/C ALL
105VU	FLIGHT CONTROLS/ELAC2/STBY SPLY	16CE2	A02
105VU	FLT CTL/ELAC1/STBY SPLY	16CE1	A01
105VU	FLT CTL/SEC1/STBY SPLY	22CE	B01
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18
121VU	FLIGHT CONTROLS/SEC3/SPLY	21CE3	Q19
121VU	FLIGHT CONTROLS/SEC2/SPLY	21CE2	Q18
121VU	FLIGHT CONTROLS/THS ACTR/MOT3	19CE3	Q17
121VU	FLIGHT CONTROLS/THS ACTR/MOT1	19CE1	Q16
121VU	FLIGHT CONTROLS/ELAC2/NORM/SPLY	15CE2	R20

Subtask 55-33-13-864-050-A

B. Depressurize the Blue, Green and Yellow aircraft hydraulic systems (Ref. AMM TASK 29-00-00-864-001).

Subtask 55-33-13-010-053-A

C. Get Access
(1) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flight controls.
(2) Put an ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE in position.
(3) Put the rudder panels in a neutral position.

4. Procedure
Subtask 55-33-13-020-052-B ** ON A/C NOT FOR ALL

A. Remove the Access Panels

CAUTION: BE CAREFUL WHEN YOU REMOVE OR INSTALL THESE ACCESS PANELS. IF YOU LET THEM FALL, DAMAGE CAN OCCUR TO THEM OR TO THE AIRCRAFT STRUCTURE.

(1) For access panels 325BL, 325BR, 325CL, 325CR and 325DL:

NOTE: The removal procedure for one access panel is given; the procedures for all access panels are almost the same.

(a) Release the studs (8) and open the access panel (15) (Ref. AMM TASK 55-33-13-010-002).
(b) Remove the cotter pin (12), washer (13) and the lever-assembly attach pin (14).
(c) Hold the access panel (15) and remove the hinge attach screws (11).
(d) Remove the access panel (15).

(2) For access panels 325EL, 325ER and 325DR:

NOTE: The removal procedure for one access panel is given; the procedures for all access panels are almost the same.

(a) Release the studs (16).
(b) Hold the access panel and release the studs (17).
(c) Remove the access panel.

Subtask 55-33-13-020-052-C ** ON A/C NOT FOR ALL

CAUTION: BE CAREFUL WHEN YOU REMOVE OR INSTALL THESE ACCESS PANELS. IF YOU LET THEM FALL, DAMAGE CAN OCCUR TO THEM OR TO THE AIRCRAFT STRUCTURE.

A. Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer

NOTE: The vertical-stabilizer trailing-edge access-panels (1) are referred to in this procedure as "trailing edge access-panels" (1).

(1) For trailing edge access-panels 325BL and 325BR:
(a) Remove the sealant from around the trailing edge access-panels (1) with the SCRAPER - NON METALLIC.
(2) For trailing edge access-panels 325BL, 325BR, 325CL, 325CR and 325DL:

NOTE: The removal procedure is given for one trailing edge access-panel (1). The removal procedure for the other trailing edge access-panels (1) is almost the same.

(a) Release the quick-release fasteners (2) and (4) and, if applicable, the quick-release fasteners (6).
(b) Open and hold the trailing edge access-panel (1).

WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.

(c) Remove the cotter pin (15), the washer (14) and the lever-assembly attachment pin (13).
(d) Discard the cotter pin (15).
(e) Remove the screws (5) and, if applicable, the screws (3).
(f) Remove the trailing edge access-panel (1).
(g) If necessary, remove the lever assembly (16) from the trailing edge access-panel (1):
1 Remove the screws (11) and the washers (12).
2 Remove the lever assembly (16) together with the bracket (17).
3 Put the quick-release pin (19) in the pin stowage hole (18).
(3) For trailing edge access-panels 325EL, 325ER, 325FR and 325GR:

NOTE: The removal procedure is given for one trailing edge access-panel (1). The removal procedure for the other trailing edge access-panels (1) is almost the same.

(a) Remove the screws (7), (9) and (10) and, if applicable, the screws (8).
(b) Remove the trailing edge access-panel (1).

Subtask 55-33-13-020-052-D ** ON A/C NOT FOR ALL

CAUTION: BE CAREFUL WHEN YOU REMOVE OR INSTALL THESE ACCESS PANELS. IF YOU LET THEM FALL, DAMAGE CAN OCCUR TO THEM OR TO THE AIRCRAFT STRUCTURE.

A. Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer

NOTE: The vertical-stabilizer trailing-edge access-panels (1) are referred to in this procedure as "trailing edge access-panels" (1).

(1) Remove the sealant from around the trailing edge access-panels (1) with the SCRAPER - NON METALLIC.
(2) For trailing edge access-panels 325BL, 325BR, 325CL, 325CR and 325DL:

NOTE: The removal procedure is given for one trailing edge access-panel (1). The removal procedure for the other trailing edge access-panels (1) is almost the same.

(a) Release the studs (2) and (4) and, if applicable, the studs (6).
(b) Open and hold the trailing edge access-panel (1).

WARNING: USE PROTECTIVE GOGGLES WHEN YOU REMOVE OR INSTALL A COTTER PIN. EACH TIME YOU REMOVE A COTTER PIN DURING THE TASK, DISCARD IT IMMEDIATELY. A LOOSE COTTER PIN CAN CUT YOU OR MAKE YOU BLIND.

(c) Remove the cotter pin (13), the washer (12) and the lever-assembly attachment pin (11).
(d) Discard the cotter pin (13).
(e) Remove the screws (5) and, if applicable, the screws (3).
(f) Remove the trailing edge access-panel (1).
(g) If necessary, remove the lever assembly (14) from the trailing edge access-panel (1):
1 Remove the screws (9) and the washers (10).
2 Remove the lever assembly (14) together with the bracket (15).
3 Put the quick-release pin (17) in the pin stowage hole (16).
(3) For trailing edge access-panels 325EL, 325ER and 325DR:

NOTE: The removal procedure is given for one trailing edge access-panel (1). The removal procedure for the other trailing edge access-panels (1) is almost the same.

(a) Remove the screws (5), (7), (8) and (3).
(b) Remove the trailing edge access-panel (1).

[Rev.10 from 2021] 2026.04.01 06:47:53 UTC