Service difficulty report · Switch · Doug MD88

Difficulty date
December 13, 2019
Submitted
December 15, 2019
Operation
Air carrier
Aircraft
N965DL
Make and model
Doug MD88
Aircraft serial
49984
Aircraft time
76,569 hours, 57,098 cycles
Part
Switch
Condition
Miswired
Location
Taxi Light
Stage of operation
TX
How discovered
O
Nature of condition
W
Precautionary procedure
O

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

What was found

WHEN WE GOT ON THE GROUND NOSE WHEEL LIGHT PULSED WITH SPEED OF MOTORS. INTERIOR LIGHTS PULSED TOO. BOTH NOSE TAXI LAMPS BLOWN, NO POWER TO EITHER NOSE TAXI LAMP. R &R RT TAXI LAMP SUSPECT INPROPER WIRING "UN MARKED WIRES ON LT NOSE TAXI LAMP."WHILE TROUBLESHOOTING, FOUND BURNED TRANSFORMER "T1-5". CONTINUED TROUBLESHOOTING AND FOUND IMPROPERLY WIRED SWITCH "S1-9". SWITCH "S1-9" NOT WIRED PER MD88 WDM 33-41-01 PROPERLY WIRED SWITCH "S1-9" PER MD88 WDM 33-41-01 . REMOVED AND REPLACED TRANSFORMER "T1-S" PER MD88 WDM 33-41-01. REMOVED AND REPLACED LT TAXI LAMP PER MD88 AMM 33-41. OK FOR SVC. (LP6573966)

More about the Doug MD-88