What was found
DURING A LINE CHECK, MX FOUND THE RT 3RD & 4TH OVERWING EMERGENCY LIGHTS INOPERATIVE. MX REPLACED THE POWER SUPPLY M7920 AND BATTERY. OPS CHECK WAS GOOD.
- Difficulty date
- January 20, 2011
- Submitted
- January 21, 2011
- Operation
- Air carrier
- Aircraft
- N672US
- Make and model
- Boeing 747451
- Aircraft serial
- 30267
- Aircraft time
- 49,747 hours, 6,228 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- Inoperative
- Location
- Emergency Light
- 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.