What was found
AIRCRAFT WAS GROUNDED: LOSS OF AUTOPILOT, FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. REPLACED #1 LOW RANGE RADIO ALTIMETER ANTENNA IAW AMM 34-33-00, OPS CHECK GOOD.
- Difficulty date
- August 14, 2021
- Submitted
- August 18, 2021
- Operation
- Air carrier
- Aircraft
- N904NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33317
- Aircraft time
- 26,367 hours, 11,079 cycles
- System (JASC)
- 3444 · Ground Proximity System
- Part
- Antenna
- Condition
- Faulty
- Location
- Radio Altimeter
- Stage of operation
- NR
- 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.