60-23-03 PIAGGIO: Amdt. 220 Part 507 Federal Register November 8, 1960. Applies to All Model P.136-L2 Aircraft.
Compliance required within 25 hours' time in service from the effective date of this directive.
In order to prevent hazardous quantities of oil from flowing into the engine compartment in the event of a fire, the engine oil system lines must be rerouted in accordance with Piaggio Change Order No. 36-55 which covers this same subject.
This directive effective December 8, 1960.