SDR 2WAA20160516003

Service difficulty report · Relay · Doug DC983

Difficulty date: May 16, 2016
Submitted: May 18, 2016
Operation: Air carrier
Aircraft: N806WA
Make and model: Doug DC983
Aircraft serial: 53251
Aircraft time: 69,189 hours, 29,804 cycles
System (JASC): 2340 · Interphone/Passenger Announcement (PA) System
Part: Relay
Condition: Inoperative
Location: Pa System
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

CABIN PA INOPERATIVE. R & R SPEAKER MUTING RELAYS R50-135, R50-121 AND R50-121 FOUND SPEAKER WIRES K & M SHORTED OUT AT CONNECTOR R5-1216 RE-SECURED PINS IAW SWPM 20-31-00 PERFORMED SYSTEM OPS TEST IAW AMM 23-30-00. OPS CHECKED SATISFACTORY.

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