Service difficulty report · Manifold · Bell 206B

Difficulty date
March 14, 2006
Submitted
June 6, 2006
Operation
General aviation
Make and model
Bell 206B
Aircraft time
12,131 hours
Engine
Allsn 250C20B
Part
Manifold
Part number
7U7467
Condition
Malfunctioned
Location
Hydraulic Sys
Part time
12,155 hours
Stage of operation
LD
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

DURING PILOT TRAINING AIRCRAFT COMPLETED A HYDRAULICS OFF LANDING. HYDRAULIC SWITCH WAS THEN TURNED BACK ON AND THE FORE AND AFT MOVEMENTS CAME BACK HOWEVER THE LATERAL MOVEMENTS DID NOT COME BACK TO NORMAL HYDRAULIC ON. AIRCRAFT WAS THEN SHUT DOWN AND HYDRAULIC SOLENOID/MANIFOLD WAS CHANGED. SUSPECT OBSTRUCTION IN THE LATERAL SECTIONS OF THE MANIFOLD. AIRCRAFT HAS SINCE RETURNED TO SERVICE AFTER ASSEMBLY WAS CHANGED. DELAY IN REPORTING WSDR WAS DUE TO THE SYSTEM NOT GIVING ME FULL ACCESS TILL THE NEXT DAY.

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