Service difficulty report · Power Supply · Boeing 7572Y0

Difficulty date
January 16, 2025
Submitted
January 16, 2025
Operation
Air carrier
Aircraft
N930FD
Make and model
Boeing 7572Y0
Aircraft serial
25240
Aircraft time
67,924 hours, 25,770 cycles
Part
Power Supply
Part number
20131A
Part serial
29710
Condition
Failed
Location
Zone 200
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.

What was found

R1 SLIDE EXTERIOR EMERGENCY EXIT LIGHT INOP. SHGN 15JAN25 14:01 BNA AMM: 33-51-06-2-1 WDM: 33-51-12 PG 11 SH 1FX1 IPC: 33-51-07-100 RELAMPED R1 SLIDE LIGHT ASSY L38, NO HELP...CHECKED FOR VOLTAGE, NO POWER AT TERMINAL. CONTINUITY CHECK LIGHT ASSY THRU BULB GOOD...CONTINUITY THRU PWR SUPPLY GOOD AT TERMINAL ENDS. CONTINUITY FROM CONNECTOR PIN 9 TO GRD GOOD. REMOVED AND REPLACED POWER SUPPLY AND BATTERY PACK IAW AMM 33-51-07-2-0. OPS CHECKS GOOD. OK FOR SERVICE.

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