SDR SWAA2020090812524

Service difficulty report · Power Supply · Boeing 7377H4

Difficulty date: August 28, 2020
Submitted: September 8, 2020
Operation: Air carrier
Aircraft: N745SW
Make and model: Boeing 7377H4
Aircraft serial: 29491
Aircraft time: 72,583 hours, 42,996 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Inoperative
Location: Exterior Light
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

EXTERIOR RT OVERWING EXIT EMERGENCY LIGHT INOPERABLE. REMOVED AND REPLACED POWER SUPPLY CHARGER POSITION M1669, REF. B737 AMM 33-51-06-960-806. RELAMPED EXTERIOR RT OVERWING EMERGENCY LIGHT, REF. B737 AMM 33-51-04-960-801. PERFORMED OPERATIONS TEST, REF. B737 AMM 33-51-06-710-005, FOUND NORMAL.

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