SDR DALA2018011700260

Service difficulty report · Reservoir · Doug MD88

Difficulty date: January 17, 2018
Submitted: January 18, 2018
Operation: Air carrier
Aircraft: N927DA
Make and model: Doug MD88
Aircraft serial: 49714
Aircraft time: 75,917 hours, 57,202 cycles
Engine: Pwa JT8D219
Engine time: 65,158 hours, 48,215 cycles
System (JASC): 2916 · Hydraulic Reservoir, Main
Part: Reservoir
Condition: Malfunctioned
Location: Hyd System
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

DURING CRUISE, RT HYD LOW PRESSURE MESSAGE ON OAP, RIGHT HYD QTY WENT UP TO 19 QTS. FOLLOWING QRH, REPRESSURIZED BELOW 10,000 FT. PRESSURE CAME UP TO 3000 PSI, QTY DOWN TO 10 QUARTS. PRESSURE WAS ZERO FOR 5 - 20 MINUTES. REPLACED THE RESERVOIR AND ENGINE DRIVEN PUMP. CHECKED OK.

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