# SDR UIEA2017112702297

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2017
- Submitted: November 27, 2017
- Operation: Air carrier
- Aircraft: [N1997A](https://openairdocs.org/aircraft/N1997A), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 27310
- Aircraft time: 92,847 hours, 18,382 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 80217010
- Part serial: 960112
- Condition: Malfunctioned
- Location: Left Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017112702297

## Discrepancy

DURING CLIMB, THE LT ENG HPSOV MESSAGE ILLUMINATED, MESSAGE WAS PRESENT ONLY DURING CLIMB THRUST.  AFTER QRH, THE LT ENGINE BLEED OFF, LT ENGINE HPSOV CONTINUED TO DISPLAY DURING HIGH THRUST SETTINGS, CLEARED AT CRUISE THRUST.  REMOVED AND REPLACED THE LT HPSOV IAW AMM 36-11-07. OPS  &  LEAK CHECKED.

---
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.
