# SDR I5PA2026092168812

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2026
- Submitted: September 24, 2026
- Operation: Air carrier
- Aircraft: [N688SL](https://openairdocs.org/aircraft/N688SL), registered now
- Make and model: Boeing 757230
- Aircraft serial: 25140
- Aircraft time: 107,857 hours, 27,543 cycles
- Engine: Pwa PW2037
- Engine time: 87,459 hours, 27,857 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 32144887
- Part serial: 2147
- Condition: Faulty
- Location: Lt Engine
- 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/I5PA2026092168812

## Discrepancy

ETOPS SIGNIFICANT REPORT,  LT ENGINE PNEUMATIC HEALTH CHECK REQUIRED -   PERFORMED PNEUMATIC HEALTH CHECK PER AMM, FOUND HPSOV FAULTY. REPLACED HPSOV PER AMM

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
