CESSNA 208 B–ATA 3242 BRAKE–Calliper bolt–SHEARED. DR 611749618 R/H brake calliper assembly lower anchor bolt was found to have sheared at the retention stud end allowing the anchor bolt to work its way through the torque plate assembly and contact the heads of the wheel half retention bolts, causing the wheel to lock up until the anchor bolt had bent enough to release the wheel. New brake calliper assembly and serviceable wheel assembly were installed.
CESSNA 208 B–ATA 3242 BRAKE–Calliper bolt–SHEARED. DR 611749618 R/H brake calliper assembly lower anchor bolt was found to have sheared at the retention stud end allowing the anchor bolt to work its way through the torque plate assembly and contact the heads of the wheel half retention bolts, causing the wheel to lock up until the anchor bolt had bent enough to release the wheel. New brake calliper assembly and serviceable wheel assembly were installed.
PIPER PA31–ATA 5544 RUDDER, MISCELLANEOUS STRUCTURE–TORQUE TUBE–CORRODED. DR 611749608 In the course of carrying out AD/PA-31/130, it was suspected that the rudder torque tube supports had minor surface rust on the very edges of the material. Upon disassembly for cleaning and repainting, it was found that the internal surface and mating surfaces between rib and torque tube were severely rusted. The inspection procedure and SB 1105A does not provide for a means of inspecting the inside of the torque tube.
MOONEY M20–ATA 3213 MAIN LANDING GEAR STRUT/AXLE/TRUCK–TRUSS–CRACKED. DR 611749584 During inspections, nose gear truss assembly along lower pivot bracket found cracked. Truss assembly was replaced.
PIPER PA28 181–ATA 5554 RUDDER/TAB, ATTACH FITTINGS–HINGE–CORRODED. DR 611749579 Upper rudder hinge assembly badly corroded. Hinge assembly was replaced.
INTERMOUNTAIN A-9A–ATA 3213 MAIN LANDING GEAR STRUT/AXLE/TRUCK–END CAP–Weld failed. DR 611749521 The weld that secured the end cap to the shock strut plunger failed. Part required re-welding.
CONTINENTAL IO360 A–ATA 7414 MAGNETO/DISTRIBUTOR–IMPULSE COUPLING–FAILED. DR 611749507 During aircraft run up at pre take-off, engine started rough running coupled with oil pressure loss. Later on, it was learned that magneto (impulse coupling) had failed. Engine removed due metal contamination.
BELL 206 L3–ATA 5302 ROTORCRAFT TAIL BOOM–FITTING–CRACKED. DR 611649473 During inspections, crack was noticed in upper left hand tail boom fitting through the paint. Paint removed and crack was confirmed. Part was replaced.
LYCOMING TIO540 J2BD–ATA 7810 ENGINE COLLECTOR/TAILPIPE/NOZZLE–RISER–CRACKED. DR 611649470 During scheduled inspections IAW AD 2013-10-04, crack was found on aircraft exhaust collector. Riser assembly was replaced.
ROBINSON R22 BETA–ATA 6210 MAIN ROTOR BLADES–MAIN ROTOR BLADE–CRACKED. DR 611649434 Following report of inflight vibrations, ground inspection revealed crack in the middle of blade from trailing edge to d-spar with ¾ of blade cracked all the way through. Rotorcraft immediately grounded.
KAWASAKI BK117 B2–ATA 5210 PASSENGER/CREW DOORS–SLIDER–WORN. DR 611649432 During winch operations, lower slider of the L/H sliding door became momentarily detached. Established cause was lower aft slider worn out. Rectifications included replacement or modifications of lower hoist plate and door slider.
SIKORSKY S92 A–ATA 6320 MAIN ROTOR GEARBOX–MGB–INCORRECT ASSY. DR 611649420 Suspected incorrect assembly of the MGB with incorrect torque procedure applied. Possible installation error. OEM liaison is continuing.
EUROCOPTER EC130 B4–ATA 5514 HORIZONTAL STABILISER, MISCELLANEOUS STRUCTURE–FITTING–CRACKED. DR 611649391 During inspection, horizontal stabiliser upper left hand attachment fittings were found cracked.