# SDR NACA2022032800002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2022
- Submitted: April 2, 2022
- Operation: Air carrier
- Aircraft: [N351CM](https://openairdocs.org/aircraft/N351CM), registered now
- Make and model: Boeing 767323
- Aircraft serial: 25201
- Aircraft time: 105,977 hours, 19,077 cycles
- System (JASC): [2161 · Cabin Temperature Controller](https://openairdocs.org/jasc/2161)
- Part: Valve
- Part number: 3987865
- Part serial: C765C
- Condition: Failed
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA2022032800002

## Discrepancy

AFT CABIN TEMP EICAS MSG AND DISCRETE LIGHT ON. REMOVED AND REPLACED AFT TRIM AIR MODULATING VALVE, OPS CHECK AS PER AMM 21-61-07 AC REMAINS ETOPS 180. NO TIME INFO IN TRAX.

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