Global Regulatory Update, Dec. 3-9

The Civil Aviation Safety Authority of Australia has issued Airworthiness Bulletin 72-007 for Pratt & Whitney Canada PT6As, establishing the operating time between overhaul for the induction of part-life engines onto an enhanced maintenance program.

EASA has cancelled airworthiness directive 2009-0242 for ATR 42s and 72s, dealing with time limits, maintenance checks, certification maintenance requirements and critical design configuration control limitations for fuel tank safety, effective Nov. 24.

EASA has cancelled airworthiness directive 2012-0193 for ATR 42s, amending structural significant item tasks, effective Nov. 24.

EASA has issued proposed airworthiness directive 17-051R2 for Airbus A330s and A340s, reducing life limits for repaired main landing gear wheel axles, effective 14 days after the airworthiness directive is issued.

EASA has issued airworthiness directive 2017-0239 for Dornier 328-100s and 328-300s, requiring inspection and replacement of horizontal stabilizer rear bearing supports and rear spar modification, effective Dec. 14.

FAA has issued airworthiness directive 2017-24-04 for certain Fokker F27s, requiring contacting FAA to obtain instructions for addressing unsafe conditions due to certain exit signs losing brightness over time, effective Dec. 12.

FAA has issued airworthiness directive 2017-24-03, removing airworthiness directive 2017-01-06 for certain Airbus A319-115s, A319-132s, A320-214s, A320-232s, A321-211s, A321-213s and A321-231s that required inspection and replacement of certain tie rod assemblies installed on the hinged fairing assembly of the main landing gear, effective Jan. 2.

FAA has issued airworthiness directive 2017-22-07 for certain Airbus A319s, A320-211s, -212s, -214s, -231s, -232s and -233s and A321-111s, -112s, -131s, -211s, -212s, -213s, -231s and -232s, requiring repetitive inspections of the frame forks and outer skin on the forward and aft cargo compartment doors and corrective actions if necessary, effective Jan. 2.

FAA has issued airworthiness directive 2017-24-05 for all Boeing 737-100s, -200s, -200Cs, -300s, -400s and -500s, requiring repetitive inspections for cracking of the upper aft skin of the wings, and repair if necessary, effective Jan. 2.

FAA has issued airworthiness directive 2017-24-06 for certain CFM LEAP-1As, requiring removal, inspection, rework and re-identification of the high-pressure turbine stage 2 disk, part number 2466M52G03, effective Dec. 15.

FAA has issued airworthiness directive 2017-24-07, superseding 2014-08-01, for all Airbus A318s, A319s, A320s, and A321s, requiring inspection for part numbers of interconnecting struts and, for affected interconnecting struts, identification of part and serial numbers of associated target and proximity sensors. The AD also calls for replacement or re-identification of flap interconnecting strut if necessary, plus a new compliance time and additional inspection, effective Jan. 5.

FAA has issued airworthiness directive 2017-24-09, superseding 2016-20-11, for certain Airbus A300 B4-600s, B4-600Rs and F4-600Rs and A300 C4-605R fariant F airplanes, requiring repetitive inspections of the external area of the aft cargo door sill beam for cracking. It also mandates repetitive inspections for fatigue cracking of the cargo door sill beam, lock fitting and torsion box plate—and repairing them, if necessary. It also requires reinforcing the aft cargo door sill beam area. It is effective Jan. 5, 2018.

Transport Canada has issued airworthiness directive CF-2009-11R1 for Bombardier DHC-8-400s, -401s and 402s, requiring inspection of main landing gear stabilizer braces, effective Dec. 5.

Transport Canada has issued airworthiness directive CF-2017-35 for Bombardier DHC-8-400s, DHC-8-401s and DHC-8-402s, introducing operational check of ground spoiler switches, effective Dec. 12.