What was found
FOUND TRANSPONDER TRANSMITTING A CONSTANT A2 CODE IN MODE C. REPLACED DEFECTIVE INTEGRATED CIRCUIT U106 (PN 740190001). NO RECOMMENDATIONS TO PREVENT RECURRENCE.
- Difficulty date
- February 18, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N734ST
- Make and model
- Cessna 172N
- Aircraft serial
- 17269083
- Engine
- Lyc O320H2AD
- System (JASC)
- 3416 · Altimeter, Barometric/Encoder
- Part
- Transponder
- Condition
- Failed
- Location
- Encoder
- Component
- Narco · AT50A
- Stage of operation
- NR
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.