Service difficulty report · Control Unit · Boeing 757222

Difficulty date
December 5, 2010
Submitted
December 10, 2010
Operation
Air carrier
Aircraft
N556UA
Make and model
Boeing 757222
Aircraft serial
26650
Aircraft time
61,583 hours, 22,741 cycles
Engine
Pwa PW2040
Part
Control Unit
Part number
835109
Condition
Faulted
Location
E/E Bay Door
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

EE ACCESS DOOR EICAS, RTFL CAPTAIN DESCRIBED SMOOTH LANDING AT 215K LBS. ACCOMPLISHED OVWT LANDING PHASE 1 INSPECTION. NO DISCREPANCIES FOUND. PERFORMED SENSOR TEST PER MM PROCEDURE WITH LCM TESTER AND OHMMETER. PSEU FAILS BITE TEST WITH CODE 006. REPLACED PSCU. TESTS OKAY.