What was found
LEFT IRS FAULT LIGHT ON NON NORMAL COMP DEBRIEFED WITH CREW, CHECKED FOR FAULTS IN DFCS, REPLACE L ADIRU. REF FIM 34-21 TASK 839 REPLACED L ADIRU, OPS CHECK GOOD REF AMM 34-21-00.
- Difficulty date
- May 4, 2026
- Submitted
- May 5, 2026
- Operation
- Air carrier
- Aircraft
- N47280
- Make and model
- Boeing 7378
- Aircraft serial
- 64614
- Aircraft time
- 11,457 hours, 3,971 cycles
- System (JASC)
- 3422 · Directional Gyro and Indicating System
- Part
- Adiru
- Part number
- HG2050BC04
- Part serial
- 1973
- Condition
- Faulted
- Location
- Zone 100
- Part time
- 11,447 hours, 3,966 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- F, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.