Service difficulty report · Fmc · Boeing 757222

Difficulty date
September 17, 2007
Submitted
September 22, 2007
Operation
Air carrier
Aircraft
N545UA
Make and model
Boeing 757222
Aircraft serial
25323
Aircraft time
60,186 hours, 17,533 cycles
Engine
Pwa PW2037
Part
Fmc
Condition
Failed
Location
Right
Stage of operation
DE
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

RIGHT FMC ON TOP OF DESCENT WOULDN'T HOLD VNAV=GLIDE PATH HSI WOULD VARY+-1200-MIN PROG 2-2. 10-19-07 THE PROBLEM IS ATTRIBUTED TO A FAILED FLIGHT MANAGEMENT COMPUTER. REPLACED RT FMC.