What was found
SPD AND ALT FLAG ON FO COMPUTER. GROUNDED - YES. RESET FMC COMPUTER PER B737-900 FIM 34-61 TASK 837, SPD AND ALT FLAG DISAPPEARED. BITE TEST OKAY.
- Difficulty date
- December 6, 2021
- Submitted
- December 8, 2021
- Operation
- Air carrier
- Aircraft
- N486AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 23,070 hours, 7,342 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.