# SDR CALA2025120211689

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2025
- Submitted: December 2, 2025
- Operation: Air carrier
- Aircraft: [N665UA](https://openairdocs.org/aircraft/N665UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29237
- Aircraft time: 94,764 hours, 19,779 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Switch
- Condition: Out Of Position
- Stage of operation: CL
- How discovered: O
- Nature of condition: W
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025120211689

## Discrepancy

AIRSPEED INDICATION ON BOTH CAPT'S AND FO SIDES LIMITED TO 265 KTS PER CREW REPORT.  ON ARRIVAL, INSPECTED E&E COMPARTMENT AND FOUND S591 ALTERNATE VMO/MMO SWITCH IN ALTERNATE POSITION. THIS POSITION LIMITS VMO/MMO BARBER POLES. POSITIONED SWITCH TO NORMAL AND SAFETIED SAME. NO FURTHER DEFECT NOTED.

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