Airworthiness Directive 99-13-02
one-timeAirworthiness Directives; Eurocopter France Model AS 332C, L, L1, and L2 Helicopters
What this AD requires
This amendment supersedes an existing priority letter airworthiness directive (AD), applicable to Eurocopter France Model AS 332C, L, L1, and L2 helicopters, that currently requires conducting a filter clogging warning test, and, if necessary, replacing a jammed valve with an airworthy valve. This amendment requires the same corrective actions required by the existing AD; however, the applicability is reduced to encompass only certain part-numbered fuel filters. This amendment is prompted by jammed fuel filter by-pass valves and new information that justifies a reduction in the applicability of the superseded priority letter AD. The actions specified by this AD are intended to prevent engine power loss due to fuel starvation, which could cause one or both engines to flameout and a subsequent forced landing.
Which aircraft AD 99-13-02 applies to
Fuel-filter clogged-caution / bypass-valve AD to prevent power loss/flameout on one or both engines (twin-engine helicopter implied); actions per Eurocopter France Service Telex 00067 (Service Bulletin No. 01.00.56), dated July 24, 1998. Specific helicopter model is not stated in the extracted applicability text.
Whether AD 99-13-02 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.
How AD compliance is recorded
A valid compliance record (14 CFR 43.9) states:
Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.
Look up a tail number →Read the full directive (Federal Register)Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.