Service difficulty report · Fan · Boeing 777224

Difficulty date
July 25, 2013
Submitted
July 26, 2013
Operation
Air carrier
Aircraft
N77014
Make and model
Boeing 777224
Aircraft serial
29862
Aircraft time
68,377 hours, 6,957 cycles
Part
Fan
Part number
4100943B
Part serial
0851A
Condition
Failed
Location
Recirculation
Part time
71,632 hours, 7,481 cycles
Stage of operation
DE
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

STRONG ODOR OF ELECTRIAL BURNING THROUGHOUT ACFT, TURNED IFE & PAX SEATS, CABIN UTILITY & OVENS OFF. ODOR CONTINUED ON AND OFF MAT SHOWS LOWER RECIRCULATION FAN LT AT FAULT. R & R FAN, UPON REMOVAL, FAN HAD STRONG BURNED ODOR, REPLACED LT RECIRCULATION FILTERS. ALL INSPECTION COMPLIED WITH IAW AMM 05-51-58-800- 801C3 AND 21-25-07-400-801. MAT TEST SHOWS PASSED ALSO. OK TO CONTINUE AT THIS TIME.