TailplateTailplate
Run a report

Airworthiness Directive 2009-26-03

one-time
Official AD 2009-26-03 · FR doc E9-29963 · 2009-12-28 · airframe

Airworthiness Directives; Boeing Model 737-300, -400, -500, -600, -700, -700C, -800, and -900, and 747-400 Series Airplanes; and Model 757, 767, and 777 Airplanes

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 737-300, -400, -500, -600, -700, -700C, -800, and -900, and 747-400 series airplanes; and Model 757, 767, and 777 airplanes. This AD requires modifying the static inverter by replacing resistor R170 with a new resistor and relocating the new resistor. This AD results from evaluation of the carbon resistor, which revealed a failure mode that can cause the resistor to ignite, involving adjacent capacitors as well. We are issuing this AD to prevent a standby static inverter from overheating, which could result in smoke in the flight deck and cabin and loss of the electrical standby power system.

Which aircraft AD 2009-26-03 applies to

MakesBoeing
Models737-600, 737-700, 737-700C, 737-800, 737-900, 737-300, 737-400, 737-500, 747-400, 747-400D, 747-400F, 757-200, 757-200CB, 757-200PF, 757-300, 767-200, 767-300, 767-300F, 767-400ER, 777-200, 777-300, 777-300ER, 737, 747, 757, 767, 777

Applicability determined per model by a specific Boeing service bulletin (Table 1): 737-600/-700/-700C/-800/-900 - Special Attention SB 737-24-1165 Rev 1 (10/20/2005); 737-300/-400/-500 - Alert SB 737-24A1166 Rev 4 (5/21/2009); 747-400/-400D/-400F - SB 747-24-2254 Rev 1 (3/5/2007); 757-200/-200CB/-200PF - Special Attention SB 757-24-0110 Rev 1 (8/6/2009); 757-300 - Special Attention SB 757-24-0111 Rev 1 (8/6/2009); 767-200/-300/-300F - Special Attention SB 767-24-0160 (6/30/2005); 767-400ER - Special Attention SB 767-24-0161 (6/30/2005); 777-200/-300/-300ER - SB 777-24-0095 Rev 1 (1/3/2007).

Whether AD 2009-26-03 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 2009-26-03 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.