Service difficulty report · Power Supply · Boeing 7378H4

Difficulty date
January 22, 2024
Submitted
January 24, 2024
Operation
Air carrier
Aircraft
N8313F
Make and model
Boeing 7378H4
Aircraft serial
38810
Aircraft time
37,864 hours, 17,584 cycles
Part
Power Supply
Part number
UNKNOWN
Condition
Inoperative
Location
Zn 200 Fus Top
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

R/H OVERWING EXIT AND CENTER OVERHEAD EMERGENCY EXIT LIGHTS INOP.<[01] TROUBLE SHOT USING A KNOWN GOOD BATTERY. LIGHTS CAME ON USING TEST BUTTON. SUSPECT BAD POWER SUPPLY. PER WDM 33-51-13 AND AMM 33-51-06-960-805;[02] REMOVED; REPLACED WITH SERVICEABLE UNIT AND PERFORMED GOOD INSTALLATION TEST OF M1695 BATTERY PACK AND CHARGER AS DOCUMENTED ON ASSOCIATED STEPS.;[03] VERIFIED.<BR>VERIFIED MEASUREMENTS.

More about the Boeing 737-8H4