# SDR DL76L060611

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2006
- Submitted: July 27, 2006
- Operation: Air carrier
- Aircraft: [N171DN](https://openairdocs.org/aircraft/N171DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 24759
- Aircraft time: 76,722 hours, 11,715 cycles
- Engine: Ge CFM567B24
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Controller
- Part number: 79275516
- Part serial: 890680
- Condition: Malfunctioned
- Location: Lt Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL76L060611

## Discrepancy

LT ENGINE BLEED WOULD NOT OPEN AFTER START.  BITE AIR SUPPLY MONITOR FAULTED LT ENGINE PRV AND PRC.  REPLACED PRC IAW MM . INSPECTED ALL MUSCLE LINES AND RETORQUED ALL LINE FITTINGS. RAN LT ENGINE LT ENGINE BLEED SYSTEM OPS NML NO FAULTS.  ETOPS  CATEGORY (E): PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS.

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