SDR NSVA2010105

Service difficulty report · Power Supply · Saab 340B

Difficulty date: June 26, 2010
Submitted: July 1, 2010
Operation: Air carrier
Aircraft: N347CJ
Make and model: Saab 340B
Aircraft serial: 340B347
Aircraft time: 33,089 hours, 35,321 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Inoperative
Location: Cabin
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

WHILE PERFORMING AN OPERATIONAL CHECK OF THE EMERGENCY LIGHTS SYSTEM DURING A LINE CHECK FOUND 38LN, 40LN, 47LN, 54LN, AND 56LN EMERGENCY LIGHTS NOT TO BE ILLUMINATING. REMOVED AND REPLACED EMERGENCY POWER SUPPLY 22LN AND THE SYSTEM TESTED SATISFACTORY. AIRCRAFT WAS RETURNED TO SERVICE.

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