SDR SCNA202009085051

Service difficulty report · Audio Panel · Boeing 7378

Difficulty date: September 5, 2020
Submitted: September 8, 2020
Operation: Air carrier
Aircraft: N5683A
Make and model: Boeing 7378
Aircraft serial: 32601
Aircraft time: 57,621 hours, 28,026 cycles
System (JASC): 2350 · Audio Integrating System
Part: Audio Panel
Part number: 5145177
Part serial: 18294
Condition: Smoke
Location: Cockpit
Stage of operation: NR
How discovered: O
Nature of condition: B
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 1 RADIO PANEL SMOKING IN FLIGHT. DIVERSION TO IFP. SOURCE OF SMOKE DETERMINED ON NR 1 ACP, NR 1 ADF SELECTOR AND INDICATOR LIGHT. REMOVED AND REPLACED NR 1 ACP, REF AMM 23-51-02. CHECKS GOOD. PERFORMED GVI OF SURROUNDING AREA, WIRING, AND CIP'S D00131 AND D00133 @ P8 AREA. NO FURTHER DEFECTS NOTED, OK FOR SERVICE.

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