SDR SWAA2020030442107

Service difficulty report · Power Supply · Boeing 7378H4

Difficulty date: March 2, 2020
Submitted: March 4, 2020
Operation: Air carrier
Aircraft: N8315C
Make and model: Boeing 7378H4
Aircraft serial: 38811
Aircraft time: 26,629 hours, 11,728 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Inoperative
Location: Cabin
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 EXIT LIGHTS WILL NOT COME ON THE LAST STOWBIN ON RIGHT SIDE, G4 EXIT LIGHT ON SURROUND, AND R 2 EXTERIOR SLIDE LIGHT, ALL CONTROLED BY POWER SUPPLY M1672 REMOVED AND REPLACED POWER SUPPLY M1672 IAW AMM / 33-51-06-960-805. REMOVED AND REPLACED BATTERY / M1672 IAW AMM 33-51-06-960-805. INSTALLATION TEST / GOOD. ATAG: WN7391

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