AD 2007-12-07

final rule
Data completeness: 70%

Airworthiness Directives; General Electric Company (GE) CF6-80C2B Series Turbofan Engines

AD Number
2007-12-07
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2006-25738
FR Citation
72 FR 31174

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747 and 767 Airworthiness Directives; General Electric Company (GE) CF6-80C2B Series Turbofan Engines

Unsafe Condition

Reports of engine flameout events during flight, including simultaneous flameouts on all engines, are associated with exposure to ice crystals during flight.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install software version 8.2.Q1 to the engine electronic control unit (ECU) to increase the engine's margin to flameout.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 5 years of the effective date of the AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

General Electric Company (GE) CF6-80C2B series turbofan engines with electronic control units (ECUs), installed on Boeing 747 and 767 series airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Boeing 747 and 767

Related Airworthiness Directives

2007-21-13

final rule

Airworthiness Directives; Boeing Model 747 and 767 Airplanes

Unsafe Condition: could result in a potential of ignition sources inside the fuel tanks, and which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.

Effective: Nov 20, 2007 Category: aircraft

2000-17-06 Recurring

final rule

Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes Equipped With General Electric CF6-80C2 Series Engines

Unsafe Condition: could result in inadvertent deployment of a thrust reverser during flight, and consequent reduced controllability of the airplane.

Effective: Oct 5, 2000 Category: aircraft

2000-11-08

final rule

Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes Powered by General Electric Model CF6-80C2 Series Engines

Unsafe Condition: This amendment supersedes an existing airworthiness directive (AD), applicable to certain Boeing Model 747 and 767 series airplanes, that currently requires revising the FAA-approved Airplane Fligh...

Effective: Jul 6, 2000 Category: engine

Amdt-39-10715

final rule

Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes Equipped with Rolls-Royce Model RB211-524G/H Engines

Unsafe Condition: which could lead to delayed or improper flight crew response to the engine failure.

Effective: Sep 3, 1998 Category: engine

View all Boeing ADs →