Is AD 2013-04-04 a recurring Airworthiness Directive?

Yes — AD 2013-04-04 requires a repetitive inspection. Next-due depends on the aircraft's time in service.

Which aircraft does AD 2013-04-04 apply to?

AD 2013-04-04 applies to Boeing — models 757-200, 757-200CB, 757-200PF, 757-300, 757. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 2013-04-04

recurring

Official AD 2013-04-04 · FR doc 2013-03903 · 2013-04-10 · airframe

Airworthiness Directives; The Boeing Company Airplanes

What this AD requires

We are superseding an existing airworthiness directive (AD) for certain The Boeing Company Model 757 airplanes equipped with Rolls- Royce RB211-535E engines. That AD currently requires repetitive inspections for signs of damage of the aft hinge fittings and attachment bolts of the thrust reversers, and related investigative and corrective actions if necessary. The existing AD also provides for an optional terminating modification for the repetitive inspections. For certain airplanes, this new AD adds a one-time inspection of the washers installed under the attachment bolts of the aft hinge fittings for correct installation sequence, and reinstallation if necessary. This new AD also adds an option for installing a redesigned aft hinge fitting with the trim already done, instead of trimming an existing or new hinge fitting, which is included in the existing optional terminating modification. This AD was prompted by reports of incorrectly installed washers under the attachment bolts of the aft hinge fittings of the thrust reversers. We are issuing this AD to prevent failure of the attachment bolts and consequent separation of a thrust reverser from the airplane during flight, which could result in structural damage to the airplane.

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

Which aircraft AD 2013-04-04 applies to

MakesBoeing

Models757-200, 757-200CB, 757-200PF, 757-300, 757

Applies only to airplanes equipped with Rolls-Royce RB211-535E engines. Installation of STC ST01518SE does not affect applicability; a change-in-product AMOC approval is not necessary for airplanes with that STC installed.

Whether AD 2013-04-04 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 2013-04-04 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.