# SDR CALA2025090208365

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2025
- Submitted: September 2, 2025
- Operation: Air carrier
- Aircraft: [N38459](https://openairdocs.org/aircraft/N38459), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 37206
- Aircraft time: 40,684 hours, 14,939 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 22064002
- Part serial: 12840
- Condition: Seized
- Location: Left
- Part time: 30,436 hours, 11,151 cycles
- Stage of operation: LD
- 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/CALA2025090208365

## Discrepancy

DURING LANDING ROLL A STRONG ACRID SMOKE SMELL WAS NOTICED. BRAK ES SUSPCTD ADDED PHOTOS OF SMOKE REPORT FORM. INSPECTED BRAKES, NO DEFECTS NOTED. CREW REPORTED SMELL DISSIPATED DURING TAXI IN. SUSPECT CONSTRUCTION FUMES.   ACCOMPLISHED GROUND CHECKS AS REQUIRE AND ENGINE POWER RUNS REF AMM 05-51-26. NO SMELL IN CABIN. ONLY NOTED "HEAT" SMELL DURING ENGINE RUNS FROM LEFT PACK. FOUND LEFT ACM SEIZED.  REMOVED AND REPLACED LEFT ACM.  DURING OPS CHECK, NO ACRID SMOKE SMELL WAS NOTED.

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