# SDR UALA2012072704079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2012
- Submitted: July 30, 2012
- Operation: Air carrier
- Aircraft: N548UA
- Make and model: Boeing 757222
- Aircraft serial: 25396
- Aircraft time: 77,872 hours, 22,532 cycles
- Engine: Pwa PW2037
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Fork
- Condition: Frozen
- Location: L4 Door
- Stage of operation: IN
- 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/UALA2012072704079

## Discrepancy

MAIN CABIN L4 TRIGGER FORK ASSY IS FROZEN.  MAJOR REPAIR ACCOMPLISHED, REMOVED AND REPLACED MAIN CABIN L4 TRIGGER FORK ASSY PER MM AND OPS CHECKED GOOD.

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