AN A320 CREW EXPERIENCED A SLAT FAULT RESULTING IN THE SLATS LOCKED IN THE RETRACTED POS FOR LNDG.

Date: 2004-11 · Aircraft: A320 · Phase: approach

Anomalies: aircraft-equipment-problem-critical

Synopsis

AN A320 CREW EXPERIENCED A SLAT FAULT RESULTING IN THE SLATS LOCKED IN THE RETRACTED POS FOR LNDG.

Narrative

DURING THE ENRTE PORTION; ENG #2 FIRE LOOP B FAULTED. THIS INFO WAS SENT VIA ACARS TO MAINT. THE CAPT ELECTED TO FLY .01 MACH ABOVE PLAN TO MAKE UP LOST TIME. THIS; COMBINED WITH ARTCC BRINGING THE FLT DOWN FROM FL350 TO FL280 NEARLY 300 NM FROM ZZZ RESULTED IN AN ARR ON R DOWNWIND FOR RWY 1R ON SCHEDULE; AND PROJECTING A LNDG WITH 5700 LBS OF FUEL REMAINING. DOWNWIND AND ABEAM THE RWY; FLAPS 1 DEG WAS SELECTED; FOLLOWED IN QUICK SUCCESSION BY SELECTING FLAPS 2 DEGS. A SINGLE FWC CHIME OCCURRED AND ECAM DISPLAYED 'F/CTL SLATS FAULT/LOCKED.' THE FO REQUESTED DELAY VECTORS AND THE CREW COMMENCED ECAM ACTIONS. THE FLAP POS INDICATOR SHOWED SLATS EXTENDED JUST BEYOND UP (AMBER) WHICH WAS CONFIRMED VISUALLY BY THE CAPT; AND FLAPS NORMAL AT POS #2 (GREEN). THE ACFT WAS MANEUVERED BY THE CAPT WITH CONCURRENCE OF ATC TO AN ORBIT A FEW MI S. AIRSPD OF ABOUT 180 KTS WAS MAINTAINED. ECAM ACTIONS WERE COMPLETED AND THE QRH PROC 'LNDG WITH SLATS AND/OR FLAPS LOCKED/FAULT' WAS ACCOMPLISHED BY THE FO. THE FO DETERMINED THE CORRECT ADDITIVE TO BE VREF +25 KTS AND THE LNDG DISTANCE TO REQUIRED 1.35 X NORMAL. THE FO DECLARED AN EMER AND BRIEFED THE FLT ATTENDANTS; PER THE DIRECTIONS OF THE CAPT; FOR A PRECAUTIONARY EMER LNDG. AS THE PROB PROGRESSED; THE CAPT ATTEMPTED TO ENGAGE THE AUTOPLT BUT DETERMINED THAT THE AUTOPLT; FLT DIRECTOR; AND AUTOTHRUST WERE ALL UNAVAILABLE. AT THIS TIME; ECAM ANNUNCIATED 'ALT LAW WITHOUT PROTECTIONS.' THE CAPT ASKED THE FO TO CHK THE CIRCUIT BREAKER PANEL; BUT NO CIRCUITS APPEARED POPPED. KEEPING A WX EYE ON THE FUEL; THE CAPT AND FO DISCUSSED THE WIND AND RWY OPTIONS. THE FLT CREW AGREED TO LAND ON RWY 25R; WITH A 5 KT TAILWIND ALOFT; BUT AN UPHILL SLOPE. AT 14510 FT IN LENGTH; RWY 25R IS THE LONGEST RWY. AN APCH SPD OF 155 KTS WAS SELECTED. NOTING THAT THE FUEL REMAINING WAS 4900 LBS; THE CAPT REMINDED APCH CTL OF THE DECLARED EMER AND ELECTED TO COMMENCE THE APCH. THE FO ADVISED THE CABIN CREW THAT WE WOULD BE LNDG IN 3-4 MINS. DUE TO CONCERN FOR THE AMOUNT OF FUEL AND TIME REMAINING; AND THE ANTICIPATION OF A SUCCESSFUL ARR; A PA TO THE PAX WAS NOT MADE. THE ACFT WAS CONFIGURED FOR A FLAPS 3 DEGS; SLATS UP.

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