# SDR CALA2026062417314

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2026
- Submitted: June 24, 2026
- Operation: Air carrier
- Aircraft: [N14735](https://openairdocs.org/aircraft/N14735), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28950
- Aircraft time: 81,982 hours, 29,081 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: NR
- 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/CALA2026062417314

## Discrepancy

VERY MUSTY ODOR FROM ENVIRON SYS IN COCKPIT & CABIN.  CABIN CREW REPORTED THEY DID NOT NOTICE ANY SMOKE OR ODOR THROUGHOUT FLIGHT.   BURN OUT HAS BEEN REQUESTED TO CORRECT FAULT PER AMM TASK 05-51-26-800-801-C1 SECTION E.  COMPLIANCE ON  BURNOUT IAW AMM. NO MUSTY/DIRTY SOCK SMELL NOTICED, VERIFIED BY CREW ALSO. ODOR DIMINISHED, NO OTHER DISCREPANCIES NOTED AT THIS TIME ALL OTHER TASKS NEEDED TO BE COMPLIED HAS BEEN GENERATED WITH AN ELB IAW TASK 05-51-26-800-801-C1 SECTION E PERFORM IDLE RUN FOR MIN 5 MINUTES OF BOTH ENGINES REF TASK CARD 7200-02431-001 BLOCK 101 TO CHECK FOR ODORS IN THE CABIN. PERFORMED IDLE RUN FOR APPROX 10 MINUTES IAW AMM 71-00-00-800-808-F00. RAN PACKS FROM ENG AIR. APU BLEED OFF. CYCLED TEMP FROM COLD THROUGH WARM AND BACK. NO ODORS OR SMELLS NOTICED. INBOUND CREW WAS PRESENT DURING ENG RUNS AND DETECTED NO RESIDUAL SMELL.

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