# SDR CALA2026020213493

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N659UA](https://openairdocs.org/aircraft/N659UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27114
- Aircraft time: 128,429 hours, 19,702 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 77328810
- Part serial: 910219
- Condition: Faulted
- Location: Nr 2 Engine
- Part time: 704,684 hours, 700,822 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026020213493

## Discrepancy

RIGHT ENG BLEED & RT PACK OFF CAUTION LIGHTS  ILLUMINATED AFTER TAKEOFF.  UPON ARRIVAL OF AIR RETURN, ACCOMPLISHED AIR SUPPLY BITE MODULE TEST IAW FIM 36-20 FT 804 & RT PRSOV FAULT LIGHT ILLUMINATED.  REMOVAL OF RT PRSOV ACCOMPLISHED ON LP 7776435, OPS TESTED NORMAL, & HIGH POWER ENGINE RUN ALSO ACCOMPLISHED & DOCUMENTED ON THAT LOGPAGE, ALL INDICATIONS ARE NOW BACK TO NORMAL. BITE TEST SHOWS NO FAULTS. OK TO CONTINUE.

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