# SDR CALA2026061917189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2026
- Submitted: June 19, 2026
- Operation: Air carrier
- Aircraft: [N28478](https://openairdocs.org/aircraft/N28478), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 31649
- Aircraft time: 39,239 hours, 14,572 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Odor
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026061917189

## Discrepancy

SMELL ON TAKEOFF/CLIMB FROM AIR SYSTEM. STRONG- EST IN FWD CABIN . CREW FELT TEMP MILD EFFECT FOUND HISTORY ON PRIOR OVERNIGHT MAINTENANCE OF #1 ENGINE COMPRESSOR WASH REF L/P 9275012. SLIGHT OIL SMELL REMAINED IN CABIN AND FLIGHT DECK. PERFORMED FIM TASK 05-51-26-800-801-C1 FOR ODOR IN FLIGHT DECK/CABIN. ACCOMPLISHED ENGINE RUN BURN OUT  AND DUCT CLEAN OUT REF AMM 21-00-21/201. CHANGED LEFT AND RIGHT RECIRCULATION FILTERS REF AMM 21-25-01/401. NO SMELL REMAINING.  NO PART DEFECT FOUND. ISSUE WAS DUE TO INSUFFICIENT ENGINE RUN TIME POST COMPRESSOR WASH.

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