SDR CALA2026090919341

Service difficulty report · Power Supply · Boeing 7378

Difficulty date: September 8, 2026
Submitted: September 9, 2026
Operation: Air carrier
Aircraft: N27267
Make and model: Boeing 7378
Aircraft serial: 67522
Aircraft time: 14,539 hours, 4,891 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Faulted
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

ROW 1 THROUGH 4 EMERGENCY LOGHTS INOPERATIVE, ALL OTHERS ARE OPERATIONAL. REMOVED AND REPLACED BATTERY PACK CHARGER (M2816) IAW AMM 33-51-06. PERFORMED BATTERY AND EMERGENCY LIGHT CHECK IAW AMM 33-51-06, OPS CHECK GOOD.EMERGENCY LIGHTS ARE OPERATIONAL, NO FURTHER ISSUES NOTED.

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