# SDR CALA2026011913054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2026
- Submitted: January 19, 2026
- Operation: Air carrier
- Aircraft: [N68817](https://openairdocs.org/aircraft/N68817), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42747
- Aircraft time: 37,236 hours, 13,605 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 22064002
- Part serial: 2334
- Condition: Seized
- Location: Left
- Part time: 77,174 hours, 26,649 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026011913054

## Discrepancy

FLIGHT ATTENDANT SAID  SMELLED BURNED FIREWORK TYPE ODOR.  ROW 29 THROUGH 35 , OTHER FLT ATTENDANTS SAID SMELLED THE SAME. CREW REPORTS CAPTAIN & THE AFT GALLEY SMELLED IT.  FOUND LT PACK ACM SEIZED AND SIGNS OF BURN MARKS, SUSPECT ACM IS CAUSE REF L/P 7613127.  REPLACED LT ACM IAW AMM 21-51-04-400-802-002.  REPLACED RECIRCULATION AIR FILTERS IAW FIM 21-00, TASK 806, AND AMM 21-25-01.  ACPD  ENGINE HIGH POWER RUN REF MM 71-00-00 TEST 5 & MM 05-51-26-800-801-C1, RAN PACKS FOR 5 MIN ,VERIFIED NO BURNING ODOR THROUGHOUT CABIN OR IN FLT DECK, OPS CHKD GOOD.   ACCOMPLISHED SMOKE/ODOR FLIGHT DECK/CABIN CONDITIONAL INSPECTION, ALL TAKS COMPLETED. FOUND SEIZED ACM WHICH WAS REPLACED IAW AMM 05-51-26-800-601-C1.

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