SDR FDEA201601030010

Service difficulty report · Packing · Doug MD11F

Difficulty date: January 3, 2016
Submitted: January 4, 2016
Operation: Air carrier
Aircraft: N602FE
Make and model: Doug MD11F
Aircraft serial: 48402
Aircraft time: 77,707 hours, 19,255 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Packing
Part number: NAS16126
Condition: Deteriorated
Location: Hydraulic Sys
Stage of operation: CR
How discovered: O
Nature of condition: K, J
Precautionary procedure: K

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

What was found

HYD 1 OFF, LEVEL 1 ALERT 2, 30 HOURS INTO FLIGHT AT FL 380, HYD SYS 1 INDICATING 2.8 GALS. FOUND HYD LEAK AT SYS 1 PRESS TRANSDUCER. FURTHER TROUBLESHOOTING FOUND PACKING DETERIORATED AT FITTING SIDE, REMOVED SYS 1 PRESS TRANSDUCER. R & R PACKING ON FITTING SIDE & REINSTALLED SYS 1 PRESS TRANSDUCER IAW AMM 29-12-46-2. HYD SYS 1 PRESS INDICATION CHECKED NORMAL & NO LEAK NOTED.

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