# SDR CALA2026091419401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2026
- Submitted: September 14, 2026
- Operation: Air carrier
- Aircraft: [N17128](https://openairdocs.org/aircraft/N17128), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27567
- Aircraft time: 101,463 hours, 22,183 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 6806404
- Part serial: 5381
- Condition: Faulty
- Location: Zone 100
- Part time: 822,095 hours, 719,087 cycles
- Stage of operation: TX
- 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/CALA2026091419401

## Discrepancy

SMOKE/ODOR IN CABIN ON CONDITION INSPECTION REQUIRES COMPLETION AMM 05-51-58-910-801-C1.  SOURCE OF THE SMOKE SMELL IS BELIEVED TO BE THE R ACM WHICH WAS REPLACED AND OPS CHECKED,  REMOVED AND REPLACED LT & RT RECIRCULATION FILTERS IAW MM 21-25-02-004-175. WILL NEED TO RUN PACKS PER STEP 1. E. (1). (A). OF MM 05-51-58-910-801-C1. REF  STEP 1. E. OF AMM 05-51-58-910-801-C1, VERIFIED ALL STEPS HAVE BEEN ACCOMPLISHED EXCEPT STEP F (PUT THE AIRCRAFT BACK TO ITS USUAL CONDITION) AND STILL NEED TO RUN PACKS IAW AMM 05-51-58-910-801-C1. RAN RIGHT PACK NO DEFECTS NOTED. NO LEAKS NOTED AT THIS TIME. 05-51-58 INSPECTION COMPLIED WITH.

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