Service difficulty report · Unknown · Boeing 7478F

Difficulty date
May 17, 2026
Submitted
May 21, 2026
Operation
Air carrier
Aircraft
N624UP
Make and model
Boeing 7478F
Aircraft serial
63784
Aircraft time
21,639 hours, 3,224 cycles
Part
Unknown
Condition
Odor
Location
Zone 200
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

AIR TURNBACK DUE TO STRONG CHEMICAL ODOR IN COCKPIT. CREW ISOLATED ODOR COMING FROM MAIN DECK 11L THRU 13L AREA. CLEANUP AND INSPECTION OF SPILLED LIQUID.

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