Service difficulty report · Transmitter · Pilats PC1245

Difficulty date
June 28, 2021
Submitted
July 1, 2021
Operation
Air carrier
Aircraft
N456V
Make and model
Pilats PC1245
Aircraft serial
201
Aircraft time
6,738 hours, 7,349 cycles
Engine
Pwa PT6A67
Engine time
6,738 hours, 7,047 cycles
Part
Transmitter
Part number
9787320021
Condition
Failed
Location
Rt Wing Te Flaps
Stage of operation
AP
How discovered
O
Nature of condition
F, J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MOVED FLAP SELECTOR TO 15 DEGREES. AFTER A TIME THE FLAP CAWS ILLUMINATED. OBSERVED THE FLAP POSITION INDICATOR WAS AT 0 DEGREES. CONSULTED THE CHECKLIST AND THEN LANDED WITHOUT FURTHER INCIDENT. DURING POST-FLIGHT THE FLAPS WERE OBSERVED TO BE AT 0 DEGREES. RETURNED THE FLAP POSITION LEVER TO 0 DEGREES. CONSULTED THE POH AND PERFORMED A ZERO FLAPS LANDING WITHOUT INCIDENT. REMOVED AND REPLACED FLAP POSITION SELECTOR TRANSMITTER P/N 978.73.20.021 WITH NEW. FOUND BAD CRIMP CONNECTION ON RT INNER ROTATIONAL TRANSMITTER PIN D TERMINAL BLOCK TB034. REPAIRED IAW PC-12 AMM. OPS TESTS WERE PERFORMED WITH SATISFACTORY RESULTS. AIRCRAFT HAS FLOWN 12.1 FLIGHT HOURS SINCE REPAIR, WITH NO FURTHER ISSUES WITH THE FLAP OR CAWS SYSTEMS.