# SDR NACA2024060900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2024
- Submitted: June 14, 2024
- Operation: Air carrier
- Aircraft: [N321CM](https://openairdocs.org/aircraft/N321CM), registered now
- Make and model: Boeing 767323
- Aircraft serial: 29431
- Aircraft time: 89,010 hours, 15,611 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Modulating Valve
- Part number: UNKNOWN
- Condition: Stuck
- Location: Cockpit
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA2024060900001

## Discrepancy

FLIGHT DECK TRIM MODULATING VALVE STUCK IN CLOSED POSITION. REMOVED AND REPLACED FLIGHT DECK TRIM AIR MODULATING VALVE PER AMM 21-61-07 OPS CHECK GOOD.

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