Service difficulty report · Connector · Lear 35A

Difficulty date
May 14, 2005
Submitted
May 14, 2005
Operation
Air carrier
Aircraft
N222BE
Make and model
Lear 35A
Aircraft serial
35A489
Aircraft time
10,033 hours, 7,660 cycles
Part
Connector
Part number
PT06SE106S
Condition
Broken
Part time
10,033 hours, 7,660 cycles
Stage of operation
IN
How discovered
9
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

THE STALL WARNING ACCELEROMETER WAS BEING USED TO TROUBLESHOOT A PROBLEM ON ANOTHER AIRCRAFT. DURING THE REMOVAL OF THE ACCELEROMETER, THE WIRE BROKE ON PIN B OF THE CANNON PLUG. AS PART OF THE TROUBLESHOOTING IT WAS DETERMINED THE PROBLEM ON THE OTHER AIRCRAFT WAS ALSO A BROKEN WIRE ON THE CANNON PLUG FOR THE ACCELEROMETER AS WELL. THE WIRES TO THE CANNON PLUG ARE VERY SMALL. DURING COMPLIANCE OF AD 82-01-05 R2, THE WIRES ARE FLEXED AS PART OF THE CHECK. THIS AD HAS A RECURRING INTERVAL OF 220 HOURS. THE CONTINUED TESTING OF THE ACCELEROMETER IS GOING TO RESULT IN MORE WIRE FAILURES.

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