AD 2009-26-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-300 | 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 |
Unsafe Condition
Failure mode involving the carbon resistor R170, which can ignite and involve adjacent capacitors, leading to standby static inverter overheating.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace resistor R170 with a new resistor and relocate the new resistor. Inspect static inverter part numbers to ensure only approved part numbers are installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (February 1, 2010).
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Affected Aircraft
Boeing Model 737-300, -400, -500, -600, -700, -700C, -800, and -900, and 747-400 series airplanes; and Model 757, 767, and 777 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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