# SDR ABXA20260705305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2026
- Submitted: July 6, 2026
- Operation: Air carrier
- Aircraft: [N391CM](https://openairdocs.org/aircraft/N391CM), registered now
- Make and model: Boeing 767381
- Aircraft serial: 32975
- Aircraft time: 60,353 hours, 24,665 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Part number: 6259346
- Part serial: 071C108
- Condition: Defective
- Location: Zone 200
- Part time: 4,161 hours, 1,732 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260705305

## Discrepancy

DURING TAXI OUT LEFT HAND PACK INOP ILLUMINATED. ACFT RETURNED TO THE GATE (BTB) AND MTX GROUNDED A/C. MTX DEFERRED LH PACK IAW MEL ABX-21-51-1-1 AND RETURNED A/C TO SERVICE. NEXT LEG, MTX REPLACED ZONE TEMP CONTROLLER IAW AMM 21-61-03. OPS CHECK GOOD. THIS CLEARS D.I. REACTIVATION C/W. ACFT REMAINS NO ETOPS. PLACARDS REMOVED REF. LOG PAGE 39433-83/3.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.