SDR CALA2024102400915

Service difficulty report · Unknown · Boeing 737824

Difficulty date: October 22, 2024
Submitted: October 24, 2024
Operation: Air carrier
Aircraft: N33209
Make and model: Boeing 737824
Aircraft serial: 30581
Aircraft time: 74,215 hours, 27,549 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Location: Cabin
Stage of operation: NR
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

FOUL ROTTEN SMELL COMING FROM AC SYSTEM AFTER ENGINE START. DISS IPATED 5 MIN LATER. SMELL CORRELATED TO THE "GYM, SMELLY SOCKS, CHEESE", PERFORMED FIM 21-00 TASK 806, PERFORMED STEPS A AND C WITH ENGINES RUN. COULD NOT DUPLICATE THE SMELL, INTERMITTENT FAULT PER STEP C(13) ADD EMP: U177194