SDR FDEA201107303035

Service difficulty report · Flex Hose · Boeing 727277

Difficulty date: July 30, 2011
Submitted: August 1, 2011
Operation: Air carrier
Aircraft: N241FE
Make and model: Boeing 727277
Aircraft serial: 20979
Aircraft time: 55,461 hours, 42,667 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Flex Hose
Condition: Leaking
Location: Hyd System
Stage of operation: TO
How discovered: O
Nature of condition: K, J
Precautionary procedure: C

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

What was found

AT ABOUT 60-70 KNOTS ON TAKEOFF ROLL S/O CALLED A-SYS HYD QTY WAS ZERO. REJECTED TAKEOFF. PRESSURE ON A SYS WAS NORMAL UNTIL THE RUNWAY CLEARED, THEN LOST HYD PRESSURE. STOPPED ACFT AND SHUTDOWN ENGINES. FOUND A SYS HYD FLEX HOSE FROM THE A SYS HYD MODULE TO THE A SYS HYD PRESS TRANSMIT LEAKING. PART NIS INSTALLED SUITABLE HYD FLEX HOSE IAW EA7-2910-153924. SERVICED A SYS HYD CREW RAN ENGINES TO BLEED ALL AIR. RESERVICE HYD SYS. ACFT OK FOR SERVICE. INSTALLED TEMP HOSE, PN 171141-4CR-0202.