Service difficulty report · Unknown · Boeing 747422

Difficulty date
July 10, 2011
Submitted
August 12, 2011
Operation
Air carrier
Aircraft
N121UA
Make and model
Boeing 747422
Aircraft serial
29167
Aircraft time
50,862 hours, 6,044 cycles
Engine
Pwa PW4056
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

FLIGHT ATTENDANTS REPORTING STRONG FUEL ODOR IN CABIN. TURNING OFF RECIRC FANS HELPED FOR A SHORT TIME, ODOR DID RETURN. SAMC TEXT: SMELL WAS REPORTED IN THE FIRST CLASS CABIN AREA. ACCOMPLISHED FAULT ISOLATION MANUAL (FUMES IN THE CABIN-SOURCE UNKNOWN) GENERAL TROUBLESHOOTING IAW FIM. NO FAULTS NOTED. SUSPECT FUEL JETTISON. ALL CHECKS GOOD.