SDR DLM88000807

Service difficulty report · Pump · Doug MD88

Difficulty date: April 25, 2000
Submitted: April 28, 2000
Operation: Air carrier
Aircraft: N933DL
Make and model: Doug MD88
Aircraft serial: 49720
Aircraft time: 31,695 hours, 25,994 cycles
Engine: Pwa JT8D219
Engine time: 28,448 hours, 23,313 cycles
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Pump
Condition: Inoperative
Location: Hyd System
Component: Eng Hyd Pump · 623337
Stage of operation: AP
How discovered: O
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

DURING SLAT EXTENTION ON APPROACH, LEFT HYDRAULIC SYSTEM PRESSURE WENT TO 0. LEFT HYDRAULIC QUANTITY REMAINED STEADY AT 19 QTS. REMOVED AIR FROM SYS, REPLACED ENG DRIVEN PUMP PER M/M, CKS OK. NO LEAKS, OPERATED ALL FLIGHT CONTROLS, PRESS REMAINED STEADY, OK FOR SERVICE.

More about the Doug MD-88