- Difficulty date
- November 3, 2017
- Submitted
- November 6, 2017
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35107
- Aircraft time
- 36,542 hours, 11,186 cycles
- Part
- Computer
- Part number
- 8221604102
- Part serial
- 47YHCN
- Condition
- Failed
- Location
- Flt Control
- Part time
- 6,221 hours, 2,006 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE AT FL 370, CAPTAIN`S FLIGHT DIRECTOR CAUTION LIGHT ILLUMINATED. PRESSING MASTER CAUTION, LIGHT ILLUMINATED SPEED TRIM FAIL AND CAUTION LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED ACT DEATIVATION IAW CH 5 TABLE 3 ITEM 1. REMOVED AND REPLACED FCC IAW AMM 22-11-33. REVERSED ALT DEACTIVATION. ALL REQUIRED TESTS PASSED.