What was found
(CAN) AIRCRAFT REPORTED INTERMITTENT MODE C OPERATION. AIRCRAFT HAS TWO TRANSPONDERS CONNECTED TOGETHER TO 1 AIR DATA SOURCE. NR 2 TRS HAD AN INTERNAL MODE C CODE A4 INTERMITTENT SHORT WHICH EFFECTED BOTH. TRS REPLACED.
- Difficulty date
- August 12, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Make and model
- Boeing 72725
- Engine
- Pwa JT8D7B
- System (JASC)
- 3452 · ATC Transponder System
- Part
- Transponder
- Part number
- 5222703000
- Condition
- Intermittent
- Location
- E/E Bay
- Stage of operation
- NR
- Nature of condition
- J
- Precautionary procedure
- H
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.