Service difficulty report · Pump · Boeing 727227

Difficulty date
April 15, 2005
Submitted
April 18, 2005
Operation
Air carrier
Aircraft
N490FE
Make and model
Boeing 727227
Aircraft serial
21493
Aircraft time
39,266 hours, 25,607 cycles
Part
Pump
Condition
Malfunctioned
Location
Hyd System
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

TOTALLY LOST SYS A HYDRAULIC FLUID WHEN RAISING GEAR HANDLE ON DEPARTURE. SYSTEM A HYDRAULIC PUMPS RAN W/O FLUID. FLUID SHUTOFF SWITCHES OFF FOR APPROX 40 MIN HYDRAULIC LINE REPAIR AT RIGHT WHEEL WELL FAILED. MPN 65-17840-487 REPLACED NR 1 ENGINE HYDRAULIC PUMP IAW 727 AMM 29-11-033-4, AND REPLACED NR 1 AND NR 2 ENGINE CASE DRAIN FILTERS IAW 727 AMM 29-11-041-2. REMOVED AND REPLACED NR 2 A SYSTEM HYDRAULIC PUMP PER 29-11-033-4. FLUSH SYSTEM PER STEP 7 MM 29-11-000-2. RAN NR 1 AND NR2 ENG PER JRH TO BLEED HYD SYSTEM. SERVICED HYD SYS TO FULL PER 12-12-000-2. SYS OPS AND LEAK CHECKS, NO DEFECTS NOTED. OK FOR SERVICE.