# SDR AALA202604147239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2026
- Submitted: April 14, 2026
- Operation: Air carrier
- Aircraft: [N886NN](https://openairdocs.org/aircraft/N886NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33223
- Aircraft time: 41,308 hours, 17,780 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: TO
- How discovered: O
- Nature of condition: B
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202604147239

## Discrepancy

AIRCRAFT WAS GROUNDED: STRONG ODER ON TAKEOFF ROLL WHEN TAKEOFF POWER IS SET THE ODOR SMELLS LIKE BURNT OIL. REMOVED AND REPLACED NUMBER 1 ENGINE. PER JC 08L40072003, JC 08L40071006, JC 08L40072006, AND JC 08L40036004. RAN ENGINE AND PACKS, NO ODORS ON AIRCRAFT.

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