SDR 96ZZZX2587

Service difficulty report · Bolt · Bell UH1H

Difficulty date: March 27, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N398M
Make and model: Bell UH1H
Aircraft serial: 6509984
System (JASC): 5510 · Horizontal Stabilizer Structure
Part: Bolt
Part number: NAS464P1027
Condition: Defective
Location: Stab Bar
Component: 2040113267
Stage of operation: IN
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

DURING C/W ARMY BULLETIN 95-ASAM-05 ON STABILIZER BAR PIVOT BOLTS, THE NUTS WERE FOUND BOTTOMED OUT ON THE BOLT SHANK. NEW PARTS IAW ARMY PART MANUAL DID NOT PROPERLY SOLVE THE PROBLEM, HOWEVER, INSTALLATION OF BELL'S COMMERCIAL 205 BOLTS 20-057-10S27D AND SPECIAL WASHERS 140-007-41S38C4 WOULD, PROVIDING APPROPRIATE APPROVAL WAS OBTAINED.

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