Service difficulty report · Power Supply · Boeing 737824

Difficulty date
March 20, 2021
Submitted
March 22, 2021
Operation
Air carrier
Aircraft
N37281
Make and model
Boeing 737824
Aircraft serial
31599
Aircraft time
54,316 hours, 19,464 cycles
Part
Power Supply
Part number
D71702001
Condition
No Test
Location
Emergency Lights
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

EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK - SEVERAL SECTIONS OF EMERGENCY AISLE AND FLOOR PROXIMITY LIGHTS GO OUT WITHIN 5 MINUTES OF START OF OPS CHECK. C/W BATTERY PACK DEEP-CYCLE PROCEDURE MM 33-51-06-600-802 SEVERAL TIMES. 1.) REPLACED BATTERY''S AT CHARGERS M1695 & M1671 PER MM 33-51-06-960-805 (LIGHTS FOR THOSE SECTIONS OK FOR SERVICE). 2.) CHARGERS M1676, M1675, M1674 STILL REQUIRES BATTERY REPLACEMENT (BATTERY''S OUT OF STOCK GUM). ADD EMP:U231263 REMOVED DADO PANEL TO ACCESS EMERGENCY LIGHT EQUIPMENT NUMBER M1676 AT STATION 500 TO FOM. REMOVED FWD ENTRY LIGHT ASSY TO FOM. REPLACED BATTERY PACKS ON M1675 AND M1674 PER AMM 33-51-06 AND REPLACED BATTERY PACK AND POWER SUPPLY ON M1671 OPS. CHECK GOOD. INSTALLED DADO PANEL