What was found
STBY ATTITUDE INDICATOR FAILED AFTER TAKEOFF. REMOVED AND REPLACED STANDBY ATTITUDE INDICATOR AS PER AMM 34-24-01/401 AND AIPC 34-24-01-05. OPS CHECK PASSED, NO FURTHER DEFECTS NOTED.</P>)
- Difficulty date
- September 20, 2026
- Submitted
- September 21, 2026
- Operation
- Air carrier
- Aircraft
- N496MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29257
- Aircraft time
- 106,097 hours, 17,858 cycles
- System (JASC)
- 3421 · Attitude Gyro and Indicating System
- Part
- Indicator
- Part number
- H321BTM
- Part serial
- 10294
- Condition
- Failed
- Location
- Attitude
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- P
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.