Skip to content
KnownTail
Airworthiness Directive

AD 2022-05-08: Turbine Engine Oil System

Airworthiness Directives; General Electric Company Turbofan Engines

Effective
Apr 11, 2022
Published
Mar 7, 2022
Registered aircraft
32

Models this AD may apply to

AI-extracted — verify against original

Matched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.

Engines

  • GE CF34-10E5
  • GE CF34-10E5A1
  • GE CF34-10E6
  • GE CF34-10E6A1
  • GE CF34-10E7 SER
  • Only with: Stationary oil seal P/N B1316-00453 or B1316-01274 installed at No. 1 forward bearing that was repaired, overhauled, or entered service after August 2014 and has used high thermal stability or high performance capability oil for 56 FHs or more.
  • Only with: Stationary oil seal P/N B1316-00453 or B1316-01274 installed at No. 1 forward bearing that was repaired, overhauled, or entered service after August 2014 and has used high thermal stability or high performance capability oil for 56 FHs or more.

Applicability

From the AD text
This AD applies to General Electric Company (GE) CF34-10E2A1, CF34-10E5, CF34-10E5A1, CF34-10E6, CF34-10E6A1, CF34-10E7, and CF34-10E7-B model turbofan engines with a stationary oil seal, part number (P/N) B1316-00453 or P/N B1316-01274, installed at the No. 1 forward bearing, that: (1) Has been repaired, overhauled, or entered into service after August 2014; and (2) Has used high thermal stability oil or high performance capability oil for 56 flight hours (FHs) or more during the life of the stationary oil seal.

Read the AD in the Federal RegisterReport an error on this page