SDR UPS97222548

Service difficulty report · Lights · Boeing 72751C

Difficulty date: April 8, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N905UP
Make and model: Boeing 72751C
Aircraft serial: 18947
System (JASC): 3350 · Emergency Lighting
Part: Lights
Condition: Inoperative
Location: Cockpit
Stage of operation: IN
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

INSPECTION TYPE-N/A, EMERGENCY EXIT LIGHT IN COCKPIT FLASHES INTERMITTENTLY IN FLIGHT. INSPECTED WIRING FOR CONTROL SWITCH, CKS OK. INSPECTED CONNECTORS TO LIGHT ASSYS, CHKS OK. CK'D INTEGRITY OF UNITS DURING SIMULATED TURBULENCE, NO PROBLEMS FOUND. COULD NOT DUPLICATE PROBLEM. EMERGENCY LIGHT SYSTEM OPS CKS NORMAL.

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