SDR DALA2018061103927

Service difficulty report · Power Supply · Boeing 717200

Difficulty date: June 8, 2018
Submitted: June 11, 2018
Operation: Air carrier
Aircraft: N944AT
Make and model: Boeing 717200
Aircraft serial: 55007
Aircraft time: 51,148 hours, 34,948 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Inoperative
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

DURING SERVICE CHECK, THE L1 AND R1 EXIT SIGNS FAILED TO ILLUMINATE DURING EMERGENCY LIGHT TEST. MAINTENANCE FOUND THAT THE BATTERY POWER SUPPLY WAS BAD AT POSITION B5-123. THE BATTERY POWER SUPPLY WAS REPLACED AND OPS CHECKED GOOD IAW AMM 33-51-03, WDM 33-51-12, AND FIM 33-50-00 810-801.

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