A319 Technicians reported confusion over required inspection procedures after a man lift impacted the fan cowl of an engine; causing damage.
Synopsis
A319 Technicians reported confusion over required inspection procedures after a man lift impacted the fan cowl of an engine; causing damage.
Narrative
On DATE at approximately XA:00 a log page was generated on Aircraft X regarding an attrition liner repair that was coming apart. An AMT was asked to measure the damage and take a few pictures of it. While performing the tasks; the man lift truck the AMT used to get to the aircraft rolled in the #2 engine fan cowl causing a small crack that did not penetrate through the inner portion of cowl. The Engine Controller generated an additional log page to inspect the engine per AMM (Aircraft Maintenance Manual) XX-XX-XX-XXX-XXX-X. Working through the AMM we opened the fan and thrust reverse cowls and inspected the items listed. Paragraph 2A says 'if you find damage' then do some additional steps. No damage was found so no additional steps were performed. We closed the open cowls and returned the aircraft to service. A few hours later I participated in a conference call with NAME and another gentleman asking for clarification on the work performed. I stated that we did not perform the additional steps because of the 'if you find damage' statement. Shortly after the call the aircraft was grounded to complete inspection.
Second reporter narrative
Went out to inspect engine damage. Parked my lift vehicle ten feet from aircraft on 45 degree angle due to ramp belt loading aircraft. Turn off vehicle set parking break and exited vehicle to inspect engine inlet. A few moments later felt aircraft NAME; only to find lift vehicle had rolled into aircraft causing damage to fan cowl on right side just aft of cantilever vent about 2x1 inches. Reported damage in aircraft log and proceeded to office to rectify problem.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.