SDR PCAA0106053

Service difficulty report · Wire · Dhav DHC8102

Difficulty date: June 15, 2001
Submitted: June 18, 2001
Operation: Air carrier
Aircraft: N832EX
Make and model: Dhav DHC8102
Aircraft serial: 280
Aircraft time: 25,203 hours, 28,293 cycles
System (JASC): 3397 · Light System Wiring
Part: Wire
Condition: Broken
Location: Lavatory
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

MDT- MAINTENANCE DISCOVERED LAV OVERHEAD LIGHTS BLOW OUT EMERGENCY LIGHTS WHEN LAV IS IN USE. AFTER TROUBLESHOOTING FOUND LAV LIGHT OCCUPIED CIRCUIT BOARD FEEDING 28 VOLTS DC GROUND INTO EMERGENCY LIGHTS OVERHEAD PANEL CIRCUIT BOARD. SHORT CIRCUIT ISOLATED. OPERATIONAL CHECK GOOD. REPAIRED BROKEN WIRES AND REINSTALLED LAV OVERHEAD SWITCH ASSEMBLY. EMERGENCY LIGHT BATTERY IN POSITION L20 FOUND INOPERATIVE. BATTERY IN POSITION L20 REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.