Service difficulty report · Impeller · Boeing 757222

Difficulty date
March 13, 2004
Submitted
March 23, 2004
Operation
Air carrier
Aircraft
N540UA
Make and model
Boeing 757222
Aircraft serial
25252
Aircraft time
41,959 hours, 15,380 cycles
Engine
Pwa PW2037
Part
Impeller
Condition
Out Of Balance
Location
Air Distribution
Stage of operation
TX
How discovered
O
Nature of condition
B
Precautionary procedure
D

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

What was found

SMOKE IN THE FLT DECK AND CABIN ON TAXI. THE ROTOR-IMPELLER WAS FOUND TO BE OUT OF BALANCE, ALLOWING IT TO RUB AGAINST THE FAN HOUSING. BURNED RESIDUE WAS DISCOVERED WITHIN THE ASSEMBLY. RIGHT RECIRCULATION FAN REPLACED.