Service difficulty report · Power Supply · Boeing 7377CT

Difficulty date
May 3, 2023
Submitted
June 14, 2023
Operation
Air carrier
Aircraft
N7823A
Make and model
Boeing 7377CT
Aircraft serial
32749
Aircraft time
66,403 hours, 34,323 cycles
Part
Power Supply
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

INOP LOWER SIDEWALL PANEL BTW BS 727C TO BS 727D POWER SUPPLY EMERGENCY LIGHT LT SIDE AT PASSENGER CABIN (1 EA) 2023-310186<[01] REPLACED EMERGENCY LIGHT POWER SUPPLY <BR>S/N REMOVED:2315<BR>S/N INSTALLED:31458<BR>IAW B737-700 AMM 33-51-06-960-806<BR>PERFORMED TEST: TEST OK;[02] CORRECTED STEP 1: REPLACED EMERGENCY LIGHT POWER SUPPLY <BR>S/N REMOVED:22818<BR>S/N INSTALLED:186642<BR>IAW B737-700 AMM 33-51-06-960-806 <BR>PERFORMED TEST: TEST OK;[03] CORRECTED STEP 1: REPLACED EMERGENCY LIGHT POWER SUPPLY<BR>S/N REMOVED:22818<BR>S/N INSTALLED:186642<BR>IAW B737-700 AMM 33-51-06-960-806 AND PERFORMED TEST OK

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