PASSENGER COMPARTMENT FIXED INTERIOR DOORS - INSPECTION/CHECK
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TASK 52-51-00-220-001
Detailed Inspection of Mechanical Parts of Cockpit Door
1.
Reason for the Job
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Refer to the MPD TASK: 525111-01
2.
Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific circuit breaker(s) safety clip(s)
No specific 1 BRUSH - BRISTLED, SOFT
B. Consumable Materials
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REFERENCE DESIGNATION
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Material No. 11-010 USA TT-I-735 GRADE A
ISOPROPYL ALCOHOL (Ref. 20-31-00)
Material No. 19-003 USA AMS 3819
LINT-FREE COTTON CLOTH (Ref. 20-31-00)
C. Referenced Information
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REFERENCE DESIGNATION
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24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power R 52-51-00-991-010 Fig. 601
1EFF : ALL 1 52-51-00Page 601 1 1 May 01/04 1 1 1CES 1 1EFF : ALL 1 52-51-00Page 602 1 1 May 01/04 1 1 1CES 1R
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3. Job Set-up__________
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Subtask 52-51-00-860-086
A. Aircraft Maintenance Configuration
(1) Make sure that the access to the cockpit is available.
(2) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 52-51-00-865-073
R B. Open, safety and tag this(these) circuit breaker(s):
R R R R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU DOORS/PAX/MONG 1MQ 13 T
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Subtask 52-51-00-010-054
C. Get Access (Ref. Fig. 601/TASK 52-51-00-991-010)
(1) Remove the plugs (1) from the screws (2).
(2) Remove the screws (2), the washers (3), the fasteners (4) and the covers (5) and (6) from the cockpit door (7).
(3) Remove the screws (8) and the cover profile (9) from the lavatory wall (10).
(4) Remove the screws (11) and the cover plates (12) from the lavatory wall housing (13).
4. Procedure
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R (Ref. Fig. 601/TASK 52-51-00-991-010)
Subtask 52-51-00-110-050
A. Clean the Cockpit Door Bolting Mechanism:
(1) Clean the subsequent components with a lint-free cotton cloth, MISCELLANEOUS (Material No. 19-003), or a BRUSH - BRISTLED, SOFT and the CLEANING AGENTS (Material No. 11-010)
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the latch assemblies (25), (26) and (27)
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the latch tenons (28)
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the D-ring mechanism (30)
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the tie-rods (29)
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the eye-ends (32)
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the connecting levers (33).
(a) Dry the cleaned components with a dry and clean lint-free cotton cloth MISCELLANEOUS (Material No. 19-003).
Subtask 52-51-00-220-054
B. Detailed Inspection of the Mechanical Parts of the Door Locking System
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