Service difficulty report · Bumper Block · Beech C90A

Difficulty date
December 12, 2007
Submitted
December 20, 2007
Operation
General aviation
Aircraft
N266RD
Make and model
Beech C90A
Aircraft serial
LJ1633
Engine
Pwa PT6*
Part
Bumper Block
Part number
509800913
Condition
Unbonded
Location
Rt Mlg
Part time
1,628 hours
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

COMMUNIQUE NR 2000-04 ANNOUNCED THAT STARTING LJ-1088 AND AFTER THAT LANDING GEAR BUMPER BLOCK WILL BE BONDED TO THE MAIN SPAR WHERE IT CROSSES INSIDE THE LANDING GEAR WHEEL WELLS. THIS AC FOUND THE RT LANDING GEAR BUMPER BLOCK ON THE FLOOR OF HIS HANGER. NOT KNOWING WHAT THIS PART WAS THE OWNER ALMOST THREW IT IN THE TRASH. LUCKILY HE KEPT IT FOR AT OUR NEXT PHASE INSPECTION, WE FOUND THAT IT WAS MISSING AND TOLD THE OWNER, WHO REMEMBER STORING THIS UNKNOWN PART IN A LOCKER AT THIS HANGER. CLEANED THE AREA AND ATTACHED THE BUMPER BY APPLYING THE EC2216 EPOXY IAW THE COMMUNIQUE. THIS BLOCK ON EARLIER AC WERE BOLTED ONTO THE SPAR. THIS METHOD WAS MOST LIKELY DISCONTINUED BECAUSE ELIMINATION OF APPLYING EXTRA HOLES INTO SPAR. PERFORMING MANY STRUCTURAL INSPECTIONS , HAVE NEVER SEEN A CRACK ORIGINATE FROM THIS AREA OF THE SPAR. (K)

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