# SDR AALA202111010179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2021
- Submitted: November 1, 2021
- Operation: Air carrier
- Aircraft: [N884NN](https://openairdocs.org/aircraft/N884NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 33222
- Aircraft time: 29,316 hours, 12,034 cycles
- System (JASC): [5250 · Fixed Inner Doors](https://openairdocs.org/jasc/5250)
- Part: Controller
- Part number: 285T08555
- Condition: Inoperative
- Location: Zone 800 - Doors
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111010179

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: COCKPIT DOOR UNLOCK SWITCH ON DOOR FRAME DOES NOT UNLOCK DOOR. REMOVED AND REPLACED DOOR CONTROLLER PER AMM 52-51-06.

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