What was found
PRIMARY SERVO TRANSISTOR HAS FAILED IN THREE DIFFERENT SERVOS, OVERHAULED BY TWO SEPARATE VENDORS. CONTACT WITH ALLIED SIGNAL DID NOT RECOGNIZE THE USE OF THIS TRANSISTOR. SUBMITTER STATED MOTOROLA REPLACEMENTS BE USED.
- Difficulty date
- February 6, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N27987
- Make and model
- Piper PA31310
- Aircraft serial
- 317912054
- System (JASC)
- 2215 · Autopilot Main Servo
- Part
- Transistor
- Part number
- 2N5632
- Condition
- Failed
- Location
- Primary Servo
- Component
- KS271A
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.