# SDR ABXA20211124124

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2021
- Submitted: November 29, 2021
- Operation: Air carrier
- Aircraft: [N371CM](https://openairdocs.org/aircraft/N371CM), registered now
- Make and model: Boeing 767338
- Aircraft serial: 25577
- Aircraft time: 84,519 hours, 29,008 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 79027014
- Part serial: 880229
- Condition: Faulted
- Location: Right Engine
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20211124124

## Discrepancy

R ENG HPSOV EICAS AND STATUS MSG DURING FLIGHT. AFTER DEPARTING FROM C-CHECK. CREW  ELECTED TO DO AN AIR TURN BACK TO TAMPA. MAINTENANCE GROUNDED THE AIRCRAFT, RIGHT HPSOV WAS REPLACED IAW 36-11-07  AMM. AIRCRAFT RETURNED TO SERVICE.

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