LTT LOSES ENTIRE HYD SYS.

Date: 1994-04 · Aircraft: Commercial Fixed Wing

Anomalies: aircraft-equipment-problem-critical

Synopsis

LTT LOSES ENTIRE HYD SYS.

Narrative

DURING DSCNT; FO NOTICED ABNORMAL HYD PRESSURE ON #2 PUMP. CAPT WAS NOTIFIED AND WITHIN 10 SECONDS BOTH CREW OBSERVED TOTAL LOSS OF HYD PRESSURE. CREW CONFIRMED PRESSURE INDICATIONS BY LISTENING TO PUMPS CAVITATE. CREW CONSULTED QRH AND PERFORMED REQUIRED ACTIONS. ATC WAS NOTIFIED OF ACFT STATUS AND EMER WAS DECLARED. CREW DECIDED TO LAND INTO WIND (OPPOSITE TO DIRECTION OF TFC PATTERN IN USE) DUE TO LOSS OF NOSEWHEEL STEERING AND NORMAL BRAKES. DELAY VECTORS WERE REQUESTED SO THAT CREW HAD TIME TO ASSESS SIT AND MAKE DECISIONS. PAX WERE BRIEFED THAT GEAR WOULD BE LOWERED BY EMER EXTENSION. SUBSEQUENT VISUAL APCH TO RWY 18L WAS UNEVENTFUL AND DIRECTIONAL CTL WAS MAINTAINED EASILY THROUGH RUDDER; DIFFERENTIAL REVERSE THRUST AND BRAKING. ACFT WAS THEN SHUT DOWN ON RWY AND PAX EXITED UNDER SUPERVISION OF FIREMEN AND ARPT AUTH. CREW WORKED WELL AS TEAM (BOUNCED IDEAS OFF EACH OTHER) AND PERFORMANCE OF CREW DUTIES WAS POSITIVELY EFFECTED BY BEING ABLE TO DISCUSS/SUGGEST PROCS. FO RECENTLY ATTENDED COMPANY COCKPIT RESOURCE MGMNT COURSE WHICH HELPED ENSURE SAFE OUTCOME.

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