SDR CALA2012111900801

Service difficulty report · Seal · Boeing 737824

Difficulty date: November 16, 2012
Submitted: November 19, 2012
Operation: Air carrier
Aircraft: N13227
Make and model: Boeing 737824
Aircraft serial: 28788
Aircraft time: 44,287 hours, 16,063 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Seal
Part number: 651782121
Part serial: 4677
Condition: Leaking
Location: Hyd System
Part time: 26,206 hours, 9,232 cycles
Stage of operation: CR
How discovered: V
Nature of condition: F, K
Precautionary procedure: B, A

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

What was found

AT CRUISE, NR 1 ENGINE HYD PUMP "LIGHT" CAME ON, HYD QTY WAS AT 20 PERCENT AND DROPPING AT 0 PERCENT, HYD PUMP LIGHT CAME ON. RAN QRH FOR BOTH; MAIN GEAR DOWN. TROUBLE SHOT IAW FIM 29-10 TSK 812, FOUND RUPTURED SEAL AT HYD SYS "A" PRESS MODULE PLUG. R & R; SEAL IAW MM 29-11-71, LEAK AND OPS CHECKED GOOD,