Service difficulty report · Warning System · Pilats PC1247

Difficulty date
July 28, 2016
Submitted
July 28, 2016
Operation
Air carrier
Aircraft
N744DA
Make and model
Pilats PC1247
Aircraft serial
744
Aircraft time
3,214 hours, 3,252 cycles
Engine
Pwa PT6A67B
Engine time
3,214 hours, 3,252 cycles
Propeller
Hartzl HCE4A3D
Part
Warning System
Condition
Activated
Location
Cockpit
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
E, D

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

What was found

REPEATED FLAPS CAWS WARNING ANNUNCIATOR ILLUMINATES. CAS ANALYST RECORDED THE RECURRING EVENT ON THE FOLLOWING DAYS. FLAPS CAWS WARNING LIGHT ON. DESCRIPTION OF FIX ADJUSTED FLAPS IAW CH 27-0-01, PAST SECTION 33. OPS CHECK SAT. FLAPS CAWS LIGHT ON. DESCRIPTION OF FIX. RESET FLAP POSITION SETTING, OPS GOOD REF CH 27-50 PARA 3.2.5. FLAPS INOPERATIVE CANNOT RESET. DESCRIPTION OF FIX. RESET FLAPS IAW MM CH 27-50, OPS CHECK SAT. FLAPS FAILED WILL NOT RESET. DESCRIPTION OF FIX. RESET FLAPS IAW MM CH 27-50, OPS CHECKS SAT. FLAPS INOPERATIVE DESCRIPTION OF FIX. RESET FLAPS CONFIGURE OPS GOOD REF AMM CH 27-50. WHEN INITIALLY TROUBLESHOOTING THE FLAPS SYSTEM WITH THE MAINTENANCE COMPUTER TO VIEW THE, FLAPS CAWS, ANNUNCIATOR FAULT. ALL DISCREPANCIES HAVE THE SAME FAULT: NO FLAP CONFIGURATION, AND IT APPEARS TO HAPPENED AT FIRST START OF THE DAY FOR THE ACFT.