What was found
BATTERY WAS DRAINED DOWN TO 22 VOLTS WITH MASTER ELECTRICAL SWITCH IN OFF POSITION. DETERMINED CAUSE WAS MOISTURE BUILD-UP IN SWITCH CAUSING BATTERY DRAIN. COMPLIED WITH PIPER SL 886 BY INSTALLATION OF SEALED SWITCH.
- Difficulty date
- July 27, 1995
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N3521S
- Make and model
- Piper PA31350
- Aircraft serial
- 317952107
- System (JASC)
- 2460 · DC Power Distribution System
- Part
- Master Switch
- Part number
- 4981902
- Condition
- Shorted
- Location
- Cabin
- Part time
- 5,541 hours
- Stage of operation
- TX
- Nature of condition
- H
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.