Is AD 99-27-06 a recurring Airworthiness Directive?

Yes — AD 99-27-06 requires a repetitive inspection every 24 months. Next-due depends on the aircraft's time in service.

Which aircraft does AD 99-27-06 apply to?

AD 99-27-06 applies to Boeing — models 757. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 99-27-06

recurring

Official AD 99-27-06 · FR doc 99-33731 · 2000-01-03 · airframe

What this AD requires

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 757-200, -200PF, and -200CB series airplanes, that requires repetitive inspections of the engine thrust control cable system to detect discrepancies of the wire rope, fittings, and pulleys; and replacement, if necessary. This amendment also requires a one-time inspection to determine the part number of certain pulleys and replacement of existing pulleys with new pulleys, if necessary; and modification of the engine thrust control cable installation. This amendment is prompted by reports of failure of certain engine thrust control cables. The actions specified by this AD are intended to prevent failure of certain engine thrust control cables, which could result in a severe asymmetric thrust condition during landing, and consequent reduced controllability of the airplane.

Repetitive inspection. Re-inspect every 24 months. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 99-27-06 applies to

MakesBoeing

Models757

Serial-conditional — narrows to serials 1–636.

Part-conditional — 65B80977-1, BAC30M4, 255T1232-7.

Applies to Boeing 757 airplanes identified in the (truncated) preceding applicability provision. Paragraph (a) thrust-control-cable inspection applies to all identified airplanes; the line-number range 1-636 (paragraph b) governs a one-time pulley P/N check requiring replacement of P/N 65B80977-1 or BAC30M4 with P/N 255T1232-7; paragraphs (c)-(e) apply only to airplanes identified in specific Boeing service bulletins (757-76-1, 757-76-0005, 757-30A0018 Rev 2).

Whether AD 99-27-06 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:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.

Date — When the work was done.

Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.

Signature & certificate — The A&P/IA who returned it to service, with certificate number.

Is AD 99-27-06 complied with on your aircraft?

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.