SDR 95FDEA01406

Service difficulty report · Lines · Boeing 727225

Difficulty date: September 23, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N469FE
Make and model: Boeing 727225
Aircraft serial: 21581
System (JASC): 2910 · Hydraulic System, Main
Part: Lines
Condition: Chafed
Location: B-Hyd Syst
Stage of operation: DE
Nature of condition: J
Precautionary procedure: O

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

What was found

THE B-SYS LOSS NR 1 PUMP IND LOW PRESS, 20 SEC LATER PRESS ZERO, QTY ZERO. CREW REPORTED B-SYS SHUTOFF BEFORE QTY DROPPED. REMOVED AND REPLACED NR 1 AND NR 2 B-SYS CASE DRAIN FILTERS. NO METAL CONTAMINATION FOUND FLL-1365, FILTERS LEAK CK'D OK. FOUND SUPPLY AND CASE DRAIN LINES AT B-PUMP NR 1 CHAFED AND LEAKING. REMOVED AND REPLACED BOTH LINES, LEAK CK'D AND NO LEAKS FOUND. SERVICED HYD QTY IAW MM 29-12-0.