What was found
AIRCRAFT WAS GROUNDED: ON TAKEOFF, LANDING GEAR WOULD NOT RETRACT AFTER MULTIPLE ATTEMPTS; FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. REPLACED PROXIMITY SENSOR ELECTRONIC UNIT IAW AMM 32-09-10, OPS CHECK GOOD.
- Difficulty date
- November 21, 2021
- Submitted
- November 22, 2021
- Operation
- Air carrier
- Aircraft
- N939NN
- Make and model
- Boeing 737*
- Aircraft serial
- 33491
- Aircraft time
- 23,855 hours, 9,255 cycles
- System (JASC)
- 3230 · Landing Gear Retraction/Extension System
- Part
- Pseu
- Condition
- Faulty
- Location
- Zone 700 - Gears
- Stage of operation
- TO
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.