SDR 97ZZZX1839

Service difficulty report · Line · Cessna 402C

Difficulty date
March 28, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N769EA
Make and model
Cessna 402C
Aircraft serial
402C0303
Part
Line
Part number
510011171
Condition
Cracked
Location
Eng Firewall
Part time
13,670 hours
Stage of operation
IN
Nature of condition
K
Precautionary procedure
K

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

What was found

FOUND PRESSURE LINE 5100111-71 CRACKED IN A BEND. CRACK ALLOWED ALL HYDRAULIC FLUID TO PUMP OVERBOARD. THE FAILURE POINT OF THE LINE IS AFT OF THE ENGINE FIREWALL WITH NO DIRECT ACCESS FOR INSPECTION. THE FAULT WAS FOUND WHEN THE LINE WAS REMOVED FOR TROUBLESHOOTING USING A 15X MAGNIFYING GLASS.

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