# SDR AALA20120430001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2012
- Submitted: April 30, 2012
- Operation: Air carrier
- Aircraft: [N803NN](https://openairdocs.org/aircraft/N803NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31073
- Aircraft time: 8,863 hours, 3,349 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Screw
- Condition: Backed Out
- Location: L1 Door
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20120430001

## Discrepancy

LEFT NUMBER 1 DOOR WOULD NOT OPEN.  FOUND SCREW BACKED OUT OF UPPER AND LOWER RADIUS LINK RETAINER PIN AT GUIDE ARM.  REPLACED SCREW AND PIN PER AMM 52-11-21-4.

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