Airworthiness Directive 66-06-02
one-timeAirworthiness Directives; pressure ratio) system. To prevent erroneous readings of the EPR system, install an additional rotary latch on the aft edge of the
Which aircraft AD 66-06-02 applies to
To prevent erroneous readings of the EPR (engine pressure ratio) system, install an additional rotary latch on the aft edge of the access door in accordance with Boeing Service Bulletin (bulletin number and specific model not present in available text).
Whether AD 66-06-02 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 →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.