SDR AALA201908219006

Service difficulty report · Control Unit · Boeing 7878

Difficulty date: August 20, 2019
Submitted: August 21, 2019
Operation: Air carrier
Aircraft: N808AN
Make and model: Boeing 7878
Aircraft serial: 40626
Aircraft time: 16,142 hours, 1,856 cycles
System (JASC): 3350 · Emergency Lighting
Part: Control Unit
Part number: 100260201
Part serial: ST14119187
Condition: Inoperative
Location: Emergency Lights
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EMERGENCY MAIN AISLE MOUNTED PROXIMITY LIGHTS AT POSITION 3D, 4D, 5D, 3H, 4H, 5H ARE INOPERATIVE. REMOVED AND REPLACED WCU UNIT AND BATTERY UNIT IN SEAT ZONE 1 (M2351WG01 CLASS 23) POSITION IAW AMM 33-51-07. PERFORMED OPS EMERGENCY LIGHT TEST OK. ALL EMERGENCY LIGHT OK FOR SVC. AIRCRAFT NOT GROUNDED.

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