What was found
AIRCRAFT WAS GROUNDED: LEADING EDGE FLAPS TRANSIT LIGHT #4 ILLUMINATED DURING FLAP RETRACTION. REPLACED LEADING EDGE FLAP PROXIMITY SENSOR S174 PER AMM 27-88-11.
- Difficulty date
- December 22, 2021
- Submitted
- December 23, 2021
- Operation
- Air carrier
- Aircraft
- N878NN
- Make and model
- Boeing 737823
- Aircraft serial
- 40768
- Aircraft time
- 30,490 hours, 12,599 cycles
- System (JASC)
- 2781 · Leading Edge Slat Position Indicating System
- Part
- Proximity Sensor
- Condition
- Faulty
- Location
- Le Flaps
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.