Service difficulty report · Circuit Card · Boeing 747422

Difficulty date
September 6, 2012
Submitted
October 12, 2012
Operation
Air carrier
Aircraft
N182UA
Make and model
Boeing 747422
Aircraft serial
25279
Aircraft time
88,492 hours, 10,690 cycles
Engine
Pwa PW4056
Part
Circuit Card
Part number
285U0018203
Part serial
18
Condition
Faulty
Location
Fuel System
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

600 POUNDS FUEL REMAINING CENTER TANK AFTER 12 HOUR FLIGHT. SEE HISTORY FOR REPLACEMENT OF FLAME ARRESTOR, SCAVENGE PUMP PRESSURE SWITCH AND RELAY 296. ALSO CARD A5 REPLACED.