Service difficulty report · Unknown · Boeing 75724APF

Difficulty date
February 17, 2026
Submitted
February 20, 2026
Operation
Air carrier
Aircraft
N426UP
Make and model
Boeing 75724APF
Aircraft serial
25457
Aircraft time
32,924 hours, 22,170 cycles
Part
Unknown
Condition
Odor
Location
Cabin
Stage of operation
TO
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

AT TAKEOFF POWER "WET SOCK/OIL" SMELL VERY STRONG. UNABLE TO TURN OFF RIGHT PACK BECAUSE L PACK DEFERRAL. SUSPECT OIL STILL IN PACK SYSTEM. SMELL ALL THE WAY UP TO FL330 PERFORMED OPS TEST OF PACK 2 IAW AMM 21-00-00. RAN PACK ON FULL HOT/COLD, NO ODORS NOTICE AT THIS TIME. A/C OK FOR SERVICE.

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