Service difficulty report · Battery · Boeing 7377H4

Difficulty date
May 29, 2022
Submitted
July 1, 2022
Operation
Air carrier
Aircraft
N480WN
Make and model
Boeing 7377H4
Aircraft serial
33998
Aircraft time
60,471 hours, 35,653 cycles
Part
Battery
Condition
Inoperative
Location
L/H Cabin
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 EMERGENCY EXIT LIGHT BATTERY UNDER EMERGENCY EXIT DOOR AT PASSENGER CABIN (1 EA) 2022-287608 / [01] INSTALLED EMERGENCY EXIT LIGHT BATTERY UNDER EMERGENCY EXIT DOOR AT PASSENGER CABIN (1 EA) I.A.W B737-700 AMM 33-51-06-960-804 STEP 4.E (5) (6).;[02] CORRECTED STEP 1: INSTALLED EMERGENCY EXIT LIGHT BATTERY UNDER EMERGENCY EXIT DOOR AT PASSENGER CABIN (1 EA) I.A.W B737-700 AMM 33-51-06-960-804 STEP 4.E (5) (6). TEST IS OK;[03] CORRECTED STEP 2: REPLACED EMERGENCY EXIT LIGHT BATTERY UNDER EMERGENCY EXIT DOOR LH SIDE AT PASSENGER CABIN (1 EA) I.A.W B737-700 AMM 33-51-06-960-804 STEP 4.E (5) (6). TEST IS OK;[04] CERTIFIED WORK PERFORMED.

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