What was found
STATIC IN ICS WHEN VOLUME IS ADJUSTED. REPLACED R72 VOLUME CONTROL AND ALSO BAD S5 AND S9 MONITOR SWITCHES. REPAIRED. BENCH CHECK GOOD.
- Difficulty date
- February 17, 2003
- Submitted
- February 25, 2003
- Operation
- Air carrier
- Aircraft
- N7128R
- Make and model
- Bell 412
- Aircraft serial
- 36007
- Aircraft time
- 14,845 hours
- System (JASC)
- 2340 · Interphone/Passenger Announcement (PA) System
- Part
- Switch
- Condition
- Failed
- 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.