UNABLE TO FULLY RETRACT FLAPS AFTER TKOF; CONTINUED TO DEST WITH APPROX 14 DEGS FLAPS EXTENDED. ACFT EQUIP PROB MALFUNCTION.

Date: 1993-01 · Aircraft: Light Transport; Low Wing; 2 Turboprop Eng

Anomalies: aircraft-equipment-problem-critical|deviation-discrepancy-procedural-far

Synopsis

UNABLE TO FULLY RETRACT FLAPS AFTER TKOF; CONTINUED TO DEST WITH APPROX 14 DEGS FLAPS EXTENDED. ACFT EQUIP PROB MALFUNCTION.

Narrative

AFTER TKOF; FLAP CTL FAULT OCCURRED AND WOULD NOT RESET; LEAVING APPROX 14 DEGS OF FLAP EXTENDED AND RESTRICTING SPD TO 200 KIAS OR LESS. THE CHKLIST FOR ABNORMAL PROCS WITH FLAP CTL FAULT WAS COMPLIED WITH; BUT RESET REMAINED UNSUCCESSFUL; AND AS SPECIFIED; LNDG 'AS SOON AS PRACTICAL' WAS PLANNED. THE ORIGINAL DEST WAS MIAMI; FL; INTL (MIA) WHICH WAS RPTING AND FORECASTING SIGNIFICANTLY BETTER WX. (THE RWYS AT TPA WERE VERY WET.) 'HISTORICAL' BLOCK TIME TPA-MIA IS 1:08 CONSUMING APPROX 1100 LBS OF FUEL. INITIAL FUEL ON BOARD WAS OVER 2500 LBS. FT LAUDERDALE (FLL) WAS PLANNED AS ALTERNATE AND 400 LBS ALLOWED FOR THIS; WITH 660 LBS BEING STANDARD FUEL RESERVE IFR. THIS ALL FIGURES OUT TO AN EXTRA 300 LBS OF FUEL AVAILABLE; BASICALLY. A 'PRACTICAL LNDG' DECISION WAS MADE BY ME TO CONTINUE THE FLT (UNDER NON EMER CONDITIONS OF COURSE); ADVISING ATC OF OUR SPD RESTRICTION; LNDG AT ABOUT 1000 LBS LESS WT; USING A RWY OVER 10000 FT LONG IN MIA. THE WX WAS ACTUALLY VFR ON ARR AND RWYS WERE DRY. OUR FLAP SIT SPECIFIES INCREASING THE 'UNFACTORED' LNDG DISTANCE BY 73 PERCENT.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.