Service difficulty report · Controller · Boeing 747422

Difficulty date
March 28, 2013
Submitted
April 8, 2013
Operation
Air carrier
Aircraft
N122UA
Make and model
Boeing 747422
Aircraft serial
29168
Aircraft time
57,190 hours, 6,677 cycles
Engine
Pwa PW4056
Part
Controller
Part number
1167006144
Part serial
127
Condition
Faulted
Location
Cabin Lights
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER ACFT POWER UP, CHECKED "E" ZONE BETWEEN DOOR 4 AND 5, CEILING AND SIDEWALL LIGHTS KEEPS ON, CANNOT TURN OFF. RESET E & E BAY P414 E-ZONE CEILING & SIDEWALL LIGHT CIRCUIT BREAKER TWICE, CEILING & SIDEWALL LIGHTS BEEN TURN OFF. E-ZONE SOME SEATS READING & CALL LIGHT WORKS OK. REPLACED LAC3 PER AMM. ALL E-ZONE CEILING LIGHTS, OVERHEAD LIGHTS AND READING LIGHTS AND CALL LIGHTS CHECKED GOOD.