What was found
BOTH LT AND RT FMC WILL NOT HOLD ROUTE DATA T/S IN WORK. 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 NML. ETOPS CATEGORY 'B': DIVERSION OR TURNBACK.
- 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
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Part number
- 4052506955
- Condition
- Failed
- Location
- E/E Bay
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- G
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.