# SDR UALA2012020200657

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2012
- Submitted: February 23, 2012
- Operation: Air carrier
- Aircraft: [N544UA](https://openairdocs.org/aircraft/N544UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 25322
- Aircraft time: 75,945 hours, 21,902 cycles
- Engine: Pwa PW2037
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Spring
- Condition: Missing
- Location: Lt Mlg Uplock
- 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/UALA2012020200657

## Discrepancy

LEFT MAIN LANDING GEAR UPLOCK ASSY MISSING AFT SPRING.  REPLACED SPRING PER MM.

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