# SDR CALA2025022602480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2025
- Submitted: February 26, 2025
- Operation: Air carrier
- Aircraft: [N37434](https://openairdocs.org/aircraft/N37434), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33528
- Aircraft time: 45,832 hours, 16,539 cycles
- System (JASC): [5280 · Landing Gear Doors](https://openairdocs.org/jasc/5280)
- Part: Screw
- Part number: BACS12ER06K5
- Condition: Damaged
- Location: Zone 800
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025022602480

## Discrepancy

GEAR FAILED TO RETRACT DEBRIEFED CREW ALTERNATE LANDING GEAR EXTENSION ACCESS PANEL IN COCKPIT NOT FLUSH. PANEL SWITCH NOT PROPERLY ACTIVATING REF AMM 32-34-00-820-802. SSM 32-35-11-101. FOUND MANUAL EXTENSION SYSTEM ACCESS DOOR SWITCH WITHIN LIMITS PER AMM 32-34-00-820-802. REMOVED AND REPLACED BOTH SCREWS AND STUDS ON DOOR ASSEMBLY PER AIPC 52-00-51-03. DOOR ASSEMBLY LATCH OPERATIONAL CHECK GOOD. PERFORMED MAIN LANDING GEAR OPERATIONAL TEST PER AMM TASK 32-32-00-710-801, OPERATIONAL CHECK PASSED. PENDING PROXIMITY  SWITCH ELETRONICS UNIT BITE TEST.  PERFORMED PSEU BUTE TEST. TEST PASSED REF AMM 32-09-10.

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