Service difficulty report · Computer · Boeing 757231

Difficulty date
December 2, 2009
Submitted
December 29, 2009
Operation
Air carrier
Aircraft
N717TW
Make and model
Boeing 757231
Aircraft serial
28485
Aircraft time
32,308 hours, 10,594 cycles
Part
Computer
Condition
Faulted
Location
Fmc
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

BOTH FMCS WOULD NOT DISPLAY SPEED/ALTITUDE ETSS/ FUEL. COULD NOT MANUALLY ENTER DATA CA-R/R CAPTS FMS COMPUTER IAW MM AND UPDATED NAV AND OP PROGRAM DATABASE IAW MM. ALSO RELOADED RT FMS NAV DATABASE IAW MM, ALL OPS NORMAL. ETOPS CATEGORY 'E': PROBLEMS WITH SYSTEMS CRITICAL TO ETOPS.