What was found
AIRCRAFT WAS GROUNDED: EMERGENCY EXIT LIGHTS FLICKER DURING TIMES OF AIRCRAFT VIBRATIONS. POSSIBLE SHORT. MAINTENACE FOUND A SMALL WASHER SHORTING BEHIND SWITCH, REMOVED, COULD NOT DUPLICATE PROBLEM. AMM 33-51-00.
- Difficulty date
- July 14, 2026
- Submitted
- July 16, 2026
- Operation
- Air carrier
- Aircraft
- N904NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33317
- Aircraft time
- 40,187 hours, 17,694 cycles
- System (JASC)
- 3397 · Light System Wiring
- Part
- Wire
- Condition
- Shorted
- Location
- Zone 200
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.