Service difficulty report · Filter · Boeing 737924ER

Difficulty date
October 15, 2025
Submitted
October 17, 2025
Operation
Air carrier
Aircraft
N69888
Make and model
Boeing 737924ER
Aircraft serial
42191
Aircraft time
32,312 hours, 11,730 cycles
Part
Filter
Condition
Contaminated
Location
Zone 100
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

DIRTY FEET SMELL IN COCKPIT WITH BOTH CREW SHOES ON. MINOR SMELL IN CABIN. ACFT JUST CAME OUT OF A MCO ENGINE WASH, WHICH SEEMS TO HAVE CONTAMINATED PACKS. REMOVED AND REPLACED RECIRCULATION FILTERS IAW AMM 21-25-01. C/W AMM 05-51-26-800-801-C1 STEP C.2.D AND STEP C.2.E UP TO AND INCLUDING SUB STEP 4. . NO DEFECTS NOTED. AFTER ENGINE RUNS REPLACED RECIRCULATION FILTERS AGAIN AS PRECAUTIONARY. CONTINUED AMM 05-51-26-800-801-C1 STEP C.2.E FROM C.2.E.5 TO END. NO DEFECTS NOTED. NO FURTHER MX ACTION REQUIRED. REPLACED BOTH RECIR FILTERS PER AMM. 21-25-01-000-801. OPS CHK GOOD.