# SDR 2DYA2025081300011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2025
- Submitted: October 18, 2025
- Operation: Air carrier
- Aircraft: [N705KW](https://openairdocs.org/aircraft/N705KW), registered now
- Make and model: Boeing 767336
- Aircraft serial: 24342
- Aircraft time: 67,548 hours, 30,275 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 211738813
- Part serial: 108K02U
- Condition: Failed
- Location: Zone 100
- Part time: 250 hours, 250 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2DYA2025081300011

## Discrepancy

CABIN AUTO, INOP AT FL230 CABIN ALTITUDE 1 & 2 FAILED THE CABIN HOLD ONLY IN MANUAL MODE.  17-OCT-25 LP 60280

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