# SDR I5PA2021080275702

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2021
- Submitted: September 10, 2021
- Operation: Air carrier
- Aircraft: [N757QM](https://openairdocs.org/aircraft/N757QM), registered now
- Make and model: Boeing 757-29J
- Registry model: [Boeing 757-29J](https://openairdocs.org/model/boeing-757-29j) (OpenAirDocs)
- Aircraft serial: 27203
- Aircraft time: 62,579 hours, 33,283 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Relay
- Part number: TDH81165001
- Condition: Faulted
- Location: Lt Shutoff Valve
- Stage of operation: NR
- How discovered: 9
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I5PA2021080275702

## Discrepancy

REF. LP 42673 MEL 36-11-02 LH ENG HPSOV SECURED CLOSED. REMOVED AND REPLACED LEFT ENG. PRSOV/HPG VALVE AUTO RELAY K10198. OPS CHECK OK. MEL CLEARED.

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