# SDR UALA2012072604057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2012
- Submitted: August 10, 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): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Trigger
- Condition: Frozen
- Location: R4 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/UALA2012072604057

## Discrepancy

MAIN CABIN R-4 DOOR TRIGGER FORK IS FROZEN.  REMOVED AND REPLACED TRIGGER FORK PER MM AND OPS CHECKED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.