# SDR UALA2009092303007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2009
- Submitted: September 24, 2009
- Operation: Air carrier
- Aircraft: [N771UA](https://openairdocs.org/aircraft/N771UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26932
- Aircraft time: 55,422 hours, 10,437 cycles
- Engine: Pwa PW4077
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: 35059208
- Condition: Failed
- Location: Lt A/C Pack
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009092303007

## Discrepancy

L PACK ISSUE, RTFL.  FOUND C1 ADP SUPPLY DUCT IN ACFT PIT LEFT SIDE WALL BLOWN.  REPLACED ADP DUCT, NO LEAKS NOTED.

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