Detailed Inspection of the Rod Assembly and Latch Mechanism

TASK 52-22-00-220-004-A
Detailed Inspection of the Rod Assembly and Latch Mechanism

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

ZONE: 833
ZONE: 834
ZONE: 843
ZONE: 844

1. Reason for the Job
Refer to the MPD TASK: 522101-08
DETAILED INSPECTION OF THE ROD ASSEMBLY AND LATCH MECHANISM.

NOTE: This task is not applicable to the deactivated overwing emergency-exit door.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

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

D. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-23-47-000-803-A	Removal of the Door Lining from the Overwing Emergency Exit
TASK 25-23-47-400-803-A	Installation of the Door Lining on the Overwing Emergency Exit
TASK 25-80-00-000-001-A	Removal of the Insulation Blankets
TASK 25-80-00-400-001-A	Installation of the Insulation Blankets
SRM 511100
SRM 512200
Rod Assembly and Latch Mechanism

3. Job Set-up
Subtask 52-22-00-860-135-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 52-22-00-865-081-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
122VU	FLIGHT LOCK OWD	40WN	U16

Subtask 52-22-00-010-112-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Remove the door lining of overwing emergency-exit door 833, 843, 834 or 844 (Ref. AMM TASK 25-23-47-000-803).
(2) Remove the insulation blankets (Ref. AMM TASK 25-80-00-000-001).

Subtask 52-22-00-110-052-A ** ON A/C NOT FOR ALL

D. Preparation of the Inspection Area
(1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
(2) If the inspection area is not sufficiently clean, clean it with the Non Aqueous Cleaner-General - - (Material No.08BAA9) and the Textile-Lint free Cotton - (Material No.14SBA1) .

4. Procedure
Subtask 52-22-00-220-053-A ** ON A/C NOT FOR ALL

A. Inspection
(1) Do a detailed inspection of the latch mechanism, the rod assembly and the outer springs of the overwing emergency-exit door for damage or discontinuities.
(2) Make sure that there is no:
(a) Corrosion:
If you find corrosion, refer to the Structural Repair Manual SRM 512200 for the corrosion types, inspection, removal and subsequent corrosion protection.
(b) Other damage (scratches, cracks, gouges, dents, creases):
If you find this type of damage, refer to the Structural Repair Manual SRM 511100 for the damage types, classification and corrective action.

5. Close-up
Subtask 52-22-00-410-094-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) Install the insulation blankets (Ref. AMM TASK 25-80-00-400-001).
(3) Install the door lining of overwing emergency-exit door 833, 843, 834 or 844 (Ref. AMM TASK 25-23-47-400-803).

Subtask 52-22-00-865-082-A ** ON A/C NOT FOR ALL

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	FLIGHT LOCK OWD	40WN	U16

Subtask 52-22-00-860-136-A ** ON A/C NOT FOR ALL

C. Put the aircraft back to its initial configuration.
(1) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.02 06:27:39 UTC