What was found
AIRCRAFT WAS NOT GROUNDED: INERTIAL REFERENCE SYSTEM FAILED ON APPROACH WITH LOSS OF VERTICAL GUIDANCE, FLIGHT DECLARED EMERGENCY AND PERFORMED A GO-AROUND. ACCOMPLISHED FUNCTIONAL TEST IAW AMM 34-21-00-710-801, OPS CHECK GOOD.
- Difficulty date
- December 11, 2021
- Submitted
- December 15, 2021
- Operation
- Air carrier
- Aircraft
- N324SH
- Make and model
- Boeing 737*
- Aircraft serial
- 44476
- Aircraft time
- 2,249 hours, 939 cycles
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Adiru
- Condition
- Failed
- Location
- Zone 100 - Fuse
- Stage of operation
- LD
- How discovered
- V
- Nature of condition
- I
- Precautionary procedure
- L
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.