# SDR DXTA2026062608565

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2026
- Submitted: June 26, 2026
- Operation: Air carrier
- Aircraft: [N185QS](https://openairdocs.org/aircraft/N185QS), registered now
- Make and model: Bombdr BD7001A12
- Aircraft serial: 70183
- Aircraft time: 1,647 hours, 555 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 3478A010002
- Part serial: 347800652
- Condition: Seized
- Location: Zone 100
- Stage of operation: DE
- 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/DXTA2026062608565

## Discrepancy

DESCENDING THRU 8000.  A BURNING ODOR IN CABIN.  A LIGHT HAZE FILLED CABIN.  FA COULD NOT FIND SOURCE.  LASTED 3-5 MINS.   AFTER PARKING, SMOKE BILLOWED OUT, BEHIND FLT DECK INSTRUMENTS.  SEEMED TO ORIGINATE BEHIND DU1. RMOVED POWER FROM ACFT, & SMOKE DISSIPATED. TROUBLESHOOTING C/OUT FOR SMOKE.  DURING SYS OPS, LT PACK FAIL MESSAGE OBSERVED, MESSAGE CODE 215C01, PERFORMED IAW AMM 21-51-13. RESISTANCE TORQUE CHK CONDUCTED ON LT ACM IAW AMM 21-52-09-700-801-A01, REVEALING ACM SEIZED CONDITION. LEFT ACM R & R IAW AMM BD700-A-J21-52-03-00AA-720A-A. AIR CON SYS AUTO & MANUAL MODES OPS TEST PERFORMED IAW AMM BD700-A-J21-52-00-01AAA-320A-A. NO FAULT NOTED. OPS CHKD GOOD. NO SMOKE IN CABIN.

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