Removal of the Locking Hook

TASK 52-22-61-000-801-A
Removal of the Locking Hook

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	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	SCRAPER - NON METALLIC

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
833, 834, 843, 844

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 25-23-44-000-001-A	Removal of the Lower Sidewall Panels (Dado Panels)
TASK 25-23-47-000-803-A	Removal of the Door Lining from the Overwing Emergency Exit
TASK 25-62-00-481-001-A	Special Precautions before Work on the Offwing Escape-Slide Systems
TASK 52-22-00-010-802-A	Opening of the Overwing Emergency-Exit Door from the Passenger Compartment
Locking Hooks

3. Job Set-up
Subtask 52-22-61-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

Subtask 52-22-61-865-050-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	EIS/SLIDES/ARM AND WARN/FLT	15WN	P11
121VU	EIS/SLIDES/ARM AND WARN/GND	13WN	P10
121VU	EIS/SDAC1 AND 2/DOOR/DET/PAX	48WV	P05
122VU	FLIGHT LOCK OWD	40WN	U16

Subtask 52-22-61-010-050-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Obey the special precautions before you work on the offwing escape-slide systems (Ref. AMM TASK 25-62-00-481-001).
(2) Open applicable overwing emergency-exit door 833 ( 843) or 834 ( 844) (Ref. AMM TASK 52-22-00-010-802).
(3) Remove related cover 241ADW (242ADW) or 241AEW (242AEW) (Ref. AMM TASK 25-23-47-000-803).
(4) Remove the adjacent lower sidewall panel (dado panels) (Ref. AMM TASK 25-23-44-000-001).

4. Procedure
Subtask 52-22-61-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the Locking Hook
(1) Use the SCRAPER - NON METALLIC to remove the sealant (7):

Around the locking hook (3) and the plate (4)
On the heads of the bolts (1) and the nuts (5).

(2) Remove the nuts (5), the washers (2) and the bolts (1).
(3) Remove the locking hook (3) and the plate (4) from the structure (8).

[Rev.10 from 2021] 2026.04.02 06:27:44 UTC