Service difficulty report · Diode · Boeing 757222

Difficulty date
June 24, 2019
Submitted
June 30, 2019
Operation
Air carrier
Aircraft
N590UA
Make and model
Boeing 757222
Aircraft serial
28708
Aircraft time
80,368 hours, 20,788 cycles
Part
Diode
Part number
JANTX1N5618
Condition
Failed
Location
Emergency Lights
Stage of operation
IN
How discovered
V
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

AIRCARFT EMERGENCY LIGHTS ARE COMING ON AUTOMATICALLY EVERY TIME POWER IS REMOVED FROM AIRCRARFT THIS WITH EMERGENCY LIGHTS SWITCH IN OFF POSTION REF AAR N/R:9891341 REMOVED AND REPLACED CR2 DIODE AT P5 PANEL IAW B757-2 AMM 20-10-26 AND WDM 33-51-11 PERFORMED OPS CHECK OF EMERGENCY LIGHT OPS CHECK IS NORMAL IAW B757-2 AMM 33-51-00.