Service difficulty report · Hydraulic System · Doug MD11F

Difficulty date
August 18, 2003
Submitted
August 20, 2003
Operation
Air carrier
Aircraft
N252UP
Make and model
Doug MD11F
Part
Hydraulic System
Condition
Failed
Location
Left
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

LT HYD SYS FAILED. (RT HYD CNTRL C/B POPPED) PER A/C STATUS IN IMPACTS THIS OCCURED IN CRUISE. R&R HYD SYS CONTROLLER PER 29-08-01 OP TEST DUE FOR REPLACEMENT OF CONTROLLER (A/P NO. ILLEGIBLE) RAN ENGS AND TESTED PUMPS & HSC PER 29-11-20 & 29-11-21 NO FAULTS. PUMP OPS NORMAL.R&R RELAY R2-5414 & ENG 2R HYD PUMP BYPASS SOLENOID. R&R C/B R&R DEPRESSURIZATION VALVE NR 2 PER 29-11-21. RAN ENGS TESTED HYD PUMPS PER 29-11-20 CHECKS OK

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