# SDR UALA2013052903737

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2013
- Submitted: June 6, 2013
- Operation: Air carrier
- Aircraft: [N227UA](https://openairdocs.org/aircraft/N227UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30555
- Aircraft time: 47,494 hours, 5,727 cycles
- Engine: Pwa PW4090
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Coupling
- Condition: Disintegrated
- Location: Lt A/C Pack
- 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/UALA2013052903737

## Discrepancy

LEFT A/C PACK COUPLING CONNECTING LEFT DIFFUSER TO LEFT HEAT EXCHANGER DISINTEGRATED.   REPLACED CONNECTING COUPLING, IAW AMM 21-52-10.

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