What was found
FOUND THE EMERGENCY LIGHT FUNCTION ABNORMAL IN THE UPPER DECK AREA. REPLACED EMERGENCY LIGHT POWER SUPPLY BATTERY M5168 IAW AMM 33-51-04-902-001-001, REV 42 AND PERFORMED AN EMERGENCY LIGHT TEST. RESULT WAS SATISFACTORY.
- Difficulty date
- June 7, 2018
- Submitted
- June 7, 2018
- Operation
- Air carrier
- Aircraft
- N496MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29257
- Aircraft time
- 76,069 hours, 12,499 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 20131A
- Condition
- Inoperative
- 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.