Service difficulty report · Tube · Boeing 72722C

Difficulty date
February 21, 2001
Submitted
March 13, 2001
Operation
Air carrier
Make and model
Boeing 72722C
Aircraft time
51,380 hours
Engine
Pwa JT8D7B
Propeller
Allsn A6441FN606
Part
Tube
Part number
65207441
Condition
Cracked
Location
Nlg Strut
Part time
4,335 cycles
Stage of operation
IN
How discovered
V
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

(CAN) AIRCRAFT ARRIVED WITH NOSE LANDING GEAR FLAT. ATTEMPTS TO RESERVICE OLEO FAILED DUE TO RAPID LEAKING. UPON INVESTIGATION IT WAS FOUND THAT THE INNER PISTON TUBE ASSEMBLY WAS CRACKED AT ITS LOWER FLANGE ALLOWING FLUID AND NITROGEN TO ESCAPE. TUBE ASSEMBLY REPLACED, AIRCRAFT RETURNED TO SERVICE.

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