SDR AALA202604147239

Service difficulty report · Unknown · Boeing 737823

Difficulty date: March 28, 2026
Submitted: April 14, 2026
Operation: Air carrier
Aircraft: N886NN
Make and model: Boeing 737823
Aircraft serial: 33223
Aircraft time: 41,308 hours, 17,780 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Location: Cabin
Stage of operation: TO
How discovered: O
Nature of condition: B
Precautionary procedure: C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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.