# SDR CALA2026082618928

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2026
- Submitted: August 26, 2026
- Operation: Air carrier
- Aircraft: [N76062](https://openairdocs.org/aircraft/N76062), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29457
- Aircraft time: 96,519 hours, 14,393 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Modulating Valve
- Part number: 8102212
- Part serial: 9045
- Condition: Faulty
- Location: Zone 100
- Part time: 94,976 hours, 13,493 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/CALA2026082618928

## Discrepancy

DIVERSION IN TO LHR FROM VCE. CREW VERBAL: AFT CABIN TEMP UNCONTROLLABLE, VERY COLD STS MSG AND AUTO SNAPSHOT PHOTO UPDATE.  L TRIM AIR CONT, AFT TEMP CONT STS. AFT CABIN TRIM VLV IND BLANK, IND CAME BACK WITH RESEATING THE CONNECTOR REF AMM 21-61-07-401.  REPLACED AFT ZONE TRIM AIR MODULATING VALVE IAW AMM 21-61-07/401 CONFIG 2. VALVE OPERATION AND INDICATION ALL NORMAL. CTC TEST CARRIED OUT IAW AMM 21-61-20/201 AND TEST PASSED. CONSIDERED SERVICEABLE.

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