What was found
N1 TACHOMETER GENERATOR ERRATIC READINGS DURING START UP CAUSING A MIS-COMPARE P CAUTION MESSAGE.
- Difficulty date
- February 20, 2025
- Submitted
- February 26, 2025
- Operation
- Air carrier
- Aircraft
- N354LL
- Make and model
- Agusta AW119MKII
- Aircraft serial
- 14822
- Aircraft time
- 5,241 hours, 14,699 cycles
- Engine
- Pwa PT6B37A
- Engine time
- 3,284 hours, 9,790 cycles
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Tach Generator
- Part number
- 1090600711
- Part serial
- 4957
- Condition
- Defective
- Location
- Fwd Engine
- Part time
- 5,241 hours, 14,699 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.