
SDR 510018346 Lycoming IO540K1A5 Reciprocating engine cylinder piston ring broken. No. 4 cylinder oil control piston ring broken. No. 4 and No. 6 cylinder bores also glazed. P/No: 05K2203. TSN: 1902 hours

SDR 510018298 Gulfstream 500S Landing gear extension system roll pin failed. Nose landing gear unsafe light during down selection. Aircraft landed and NLG collapsed, causing minor damage to doors, linkages and belly skin. A previous possible ground handling mishap had put strain on the NLG steering actuator, causing the roll pin in the spacer assembly to fracture and allowing the hinge pin to eventually fail which caused the actuator shaft to foul on the fuselage and prevent the NLG from fully extending. P/No: ES10119

SDR 510018262 Piper PA28161 Stabiliser control system cable faulty. Forward upper and lower stabiliser control cables P/Nos: 62701-113 and 62701-114 failed inspection in area of cable termination crimps. Found during 10x inspection iaw AD/PA-28/2013-02-13 and Piper SB 1245A. Three other similar defects. P/No: 62701113.

SDR 510018159 GE CF680C2 Turbine engine compressor fan blade damaged. No.1 engine flamed out on landing due to snow/ice on runway. No. 1 and No. 4 engines had several fan blades damaged beyond limits due to ice ingestion. No.1 engine thrust reverser deployed and jammed with ice. Minor damage to LH wing flaps.

SDR 510017981 Lycoming IO540K1A5 Reciprocating engine cylinder section piston rings broken. No. 4 cylinder piston rings broken. Oil contamination of No. 4 and No. 2 cylinders. P/No: 05K22035. TSN: 1672 hours

SDR 510017961 Gippsland Aeronautics GA8 Fuselage skin doubler cracked. RH aft skin doubler P/No: GA8-538021-310 cracked. EO 0853-008E1 (washer installation) carried out on RH and LH doublers. Approx. 200 hours later LH doubler inspected and found cracked, but RH doubler crack had not progressed. Following removal of the doublers for replacement, the LH fuselage skin was found cracked in area above the tailplane attachment fitting forward bolt hole. Crack approx. 19.05mm (0.75in) long. P/No: GA8538021309LH. TSN: 7244 hours

SDR 510017954 Boeing 777-3ZGER Cabin cooling system housing unserviceable. RH aircon pack fan inlet diffuser housing u/s. Bonded joints holding the centre tube in the fibreglass composite housing had weakened, resulting in joint failure and departure of the centre tube. P/No: 8102074. TSN: 22,510 hours/1843 cycles

SDR 510017897 Cessna 206 Nose landing gear oleo strut broken. Nose gear strut tube assembly being removed for replacement iaw requirements of Cessna SEB-32-0. While removing the tube assembly the upper portion came out, leaving the lower part inside the strut. The four pins securing the two sections had sheared off. In the new tube assembly the two parts screw together. P/No: 07436311. TSN: 493 hours

SDR 510017890 Piper PA31350 Elevator control system spring broken. Elevator down spring failed during flight. This caused the aircraft to suddenly pitch up 300ft until full forward elevator trim could be obtained to counteract subsequent air loads. Auto-pilot was not engaged at the time. Elevator down spring had failed at the airframe attachment end. P/No: 71056003. TSN: 467 hours