SDR HEEA084736

Service difficulty report · Switch · Bell 412

Difficulty date: February 17, 2003
Submitted: February 25, 2003
Operation: Air carrier
Aircraft: N2261D
Make and model: Bell 412
Aircraft serial: 33076
Aircraft time: 20,682 hours
System (JASC): 2340 · Interphone/Passenger Announcement (PA) System
Part: Switch
Condition: Damaged
Location: Interphone Box
Component: Interphone Box
Component part number: A3016W
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

NR 1 FM WILL NOT SHUT OFF. FOUND SWITCHES S5, S7, S8, S9, VOLUME AND SELECTOR KNOB AND VOLUME CONTROL R72 BAD. ALSO SWITCH S1 NOISY. REPLACED SWITCHES, VOLUME CONTROL AND VOLUME AND SELECTOR KNOBS AND CLEANED SWITCH S1. REPAIRED. BENCH CHECK GOOD.

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