What was found
FLT 807 BOS-STT, AIR TURNBACK TO BOS DUE TO ADR NR 1 LOST DURING CLIMB. RECOVERED IR NR 1 IN ATT MODE. REMOVED AND REPLACED ADIRU NR 1 IAW AMM CHAPTER 34-12-34-04. OPS CHECK GOOD.
- Difficulty date
- February 11, 2013
- Submitted
- February 13, 2013
- Operation
- Air carrier
- Aircraft
- N527JL
- Make and model
- Airbus A320232
- Aircraft serial
- 1557
- Aircraft time
- 38,880 hours, 14,186 cycles
- System (JASC)
- 3441 · Inertial Guidance System
- Part
- Adiru
- Part number
- HG2030AD11
- Part serial
- 00053344
- Condition
- Failed
- Location
- Nr 1
- Part time
- 38,871 hours, 14,179 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.