Service difficulty report · Fan · Boeing 777223

Difficulty date
May 18, 2016
Submitted
May 23, 2016
Operation
Air carrier
Aircraft
N796AN
Make and model
Boeing 777223
Aircraft serial
30796
Aircraft time
62,547 hours, 7,927 cycles
Part
Fan
Part number
4100943C
Part serial
1337A
Condition
Seized
Location
Zone 100
Part time
62,602 hours, 7,932 cycles
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
H

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

What was found

AIRCRAFT WAS GNDED. DURING CRUISE, FLIGHT ATTENDANTS REPORTED A STRONG ELEC ODOR. POWER PORTS & RECIRCULATION FANS WERE TURNED OFF & ODOR DISSIPATED RAPIDLY. FOUND THE RT LOWER RECIRCULATION FAN SEIZED & ASSOCIATED CB`S TRIPPED. ALSO FOUND AFT UPPER RECIRCULATION FAN SMELLS WHEN RUNNING. R & R RT LOWER RECIRCULATION FAN IAW AMM 21-25-07 & FWD & AFT RECIRCULATION FANS IAW AMM 21-25-01. OPERATIONAL CHECK WITH NO ODORS NOTED. SEE ALSO AALA 20160523005 & AALA 20160523006.