What was found
COMM 1 AND COMM 2 AUDIO SELECT KNOB WON'T MUTE AUDIO. FOUND SWITCHES S1, S2, S3, S4, S9, S10, S11, LIGHT PANEL, VOLUME AND TRANSMIT KNOBS BAD. REPLACED. BENCH CHECK GOOD.
- Difficulty date
- May 30, 2002
- Submitted
- June 10, 2002
- Operation
- Air carrier
- Aircraft
- N22347
- Make and model
- Bell 412
- Aircraft serial
- 36005
- Aircraft time
- 11,624 hours
- System (JASC)
- 2340 · Interphone/Passenger Announcement (PA) System
- Part
- Interphone
- Part number
- A3016W
- Part serial
- 8402507
- Condition
- Malfunctioned
- Location
- Cockpit
- 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.