AD 2001-02-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | CFM | International (CFMI) Model CFM56-7B Turbofan | Airworthiness Directives; CFM International (CFMI) Model CFM56-7B Turbofan Engines |
Unsafe Condition
Incorrectly torqued fittings of the PS3 pressure line could result in air leakage, leading to engine power loss.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and apply correct torque to all PS3 pressure line fittings identified as Joint 1, Joint 2, Joint 3, Joint 4, Joint 5, and Joint 6. Torque values are specified for each joint.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 25 days after the effective date of the AD.
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Affected Aircraft
CFM International (CFMI) Model CFM56-7B turbofan engines, except for engines with serial numbers DAC 876-747 and higher, and SAC 888-XXX and 889-XXX: 166-168, 172-173, 175-178, 180 and higher. These engines are installed on, but not limited to, Boeing 737NG 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
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