Service difficulty report · Switch · Saab 340B

Difficulty date
April 23, 2019
Submitted
April 30, 2019
Operation
Air carrier
Aircraft
N343AG
Make and model
Saab 340B
Aircraft serial
340B443
Aircraft time
38,461 hours, 43,118 cycles
Engine
Ge CT79B
Part
Switch
Part number
43187
Condition
Failed
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

FLIGHT# 0080 TPA/TPA REPORT:F.A. REPORTED CABIN EMERGENCY LIGHTS WERE ON WHILE EMERGENCY LIGHT ON ARMED POSITION ON OVERHEAD PANEL QRH DID NOT RESOLVE THE PROBLEM. CORRECTIVE ACTION: REPAIRED BROKEN WIRES AT FA PANEL SWITCH 29LN. NO FIX. T/S WIRES AT 29LN FOUND WIRES TO BE CORRECT IAW SAAB AMM WM 33-50-00. FOUND SWITCH 29LN TO HAVE ONE BAD N/C SWITCH SEGMENT PIN7 TO PIN8 HAS NO CONTINUITY IN THE ARMED POSITION. SWITCH 29LN NEEDS REPLACED. R&R FA PANEL IAW SAAB AMM 20-10-00-00 OPS CHECK GOOD IAW SAAB AMM 33-00-00.

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