What was found
LEFT FWD OVERWING EXIT EMERGENCY LIGHTS FAILED TO COME ON DURING THE EMERGENCY LIGHTS TEST. ACFT GROUNDED. FOUND THE BATTERY PACK & POWER SUPPLY WAS FAULTY. REPLACED BOTH IAW AMM 33-51-06/401. OPS CHECKED GOOD.
- Difficulty date
- January 25, 2017
- Submitted
- January 27, 2017
- Operation
- Air carrier
- Aircraft
- N551AS
- Make and model
- Boeing 737890
- Aircraft serial
- 34593
- Aircraft time
- 41,344 hours, 13,578 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Failed
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.