Service difficulty report · Battery · Boeing 7377H4

Difficulty date
September 28, 2023
Submitted
October 11, 2023
Operation
Air carrier
Aircraft
N421LV
Make and model
Boeing 7377H4
Aircraft serial
32452
Aircraft time
71,597 hours, 42,416 cycles
Part
Battery
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

REJECT- FWD LH WINDSCREEN EMERGENCY FLASHLIGHTS; BOTH FLASHLIGHTS INDICATION LIGHTS DO NOT FLASH; BOTH FLASHLIGHTS ARE NOT INSTALLED IN MOUNTING BRACKET PER REFERENCE USED<[01] REMOVED AND REPLACED BATTERY ON BOTH FWD L/H WINDSCREEN EMERGENCY FLASHLIGHTS IAW AMM 25-64-00-900-806;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] VERIFIED COMPLETION OF ACTIONS 1 AND MEASUREMENT TABLE.

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