SDR CALA2026081918735

Service difficulty report · Power Supply · Boeing 7379

Difficulty date: August 15, 2026
Submitted: August 20, 2026
Operation: Air carrier
Aircraft: N37506
Make and model: Boeing 7379
Aircraft serial: 43432
Aircraft time: 21,080 hours, 7,057 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Inoperative
Location: Zone 200
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

OVERHEAD AISLE EMERGENCY LIGHT 10DEF INOPERATIVE. VERIFIED SURROUNDING AISLE LIGHTS OPERATIVE. MEL 3351A APPROVED. C/W MEL REPLACED EMERGENCY AISLE LIGHT ASSY AT ROW DEF. IAW AMM 33-51-03-960-801. NO HELP. LIGHT STILL INOPERATIVE. REPLACED POWER SUPPLY M1676, BATTERY, & COVE LIGHT ASSY ABOVE BIN 10 DEF IAW AMM 33-51-06, OPS CHKD GOOD.

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