Service Instruction No. 1594
Service Instruction No. 1594
DATE:
July, 2025
MODELS AFFECTED:
Lycoming O-235 Engine Models listed in Table 1
TIME OF COMPLIANCE:
During every scheduled maintenance event
Service Bulletin No. 663
Service Bulletin No. 663
July, 2025
MODELS AFFECTED:
GO-435 Series
GO, GSO, IGO, IGSO-480 Series (Except GO-480-B1A6 with the following
Engine S/N’s: L-567-28, L-569-28, L-573-28, L-574-28, L-575-28, L-576-28)
VO, IGO, IGSO-540 Series
TIO, TIGO-541 Series
TIME OF COMPLIANCE:
Before further flight
Service Bulletin No. 240AA
Service Bulletin No. 240AA
(Supersedes Service Bulletin No. 240W)
June, 2025
MODELS AFFECTED:
All Lycoming reciprocating aircraft engines
TIME OF COMPLIANCE:
As specified
IO-360-L2A Illustrated Parts Catalog
DATE RELEASED:
June 2025
TITLE:
IO-360-L2A Illustrated Parts Catalog (Supersedes PC-406-L2A)
DOCUMENT PART NUMBER:
PC-IO-360-L2A
Service Instruction No. 1290F
Service Instruction No. 1290F
DATE:
July 24, 2009
WEBSITE PUBLISH DATE:
June 17, 2025 due to frequent requests.
TIO-360-C1A6D Illustrated Parts Catalog
DATE RELEASED:
June 2025
TITLE:
TIO-360-C1A6DIllustrated Parts Catalog
DOCUMENT PART NUMBER:
PC-TIO-360-C1A6D
O-540-F1B5 Illustrated Parts Catalog
DATE RELEASED:
June 2025
TITLE:
O-540-F1B5 Illustrated Parts Catalog
DOCUMENT PART NUMBER:
PC-O-540-F1B5 (Supersedes parts catalog PC-515-2)
IO-390-D Series Engine Illustrated Parts Catalog
DATE RELEASED:
June 2025
TITLE:
IO-390-D Series Engine Illustrated Parts Catalog
DOCUMENT PART NUMBER:
PC-IO-390-D Rev 1
IO-390-C Series Engine Illustrated Parts Catalog
DATE RELEASED:
June 2025
TITLE:
IO-390-C Series Engine Illustrated Parts Catalog
DOCUMENT PART NUMBER:
PC-IO-390-C Rev 1
AEIO-390-A Series Engine Illustrated Parts Catalog
DATE RELEASED:
June 2025
TITLE:
AEIO-390-A Series Engine Illustrated Parts Catalog
DOCUMENT PART NUMBER:
PC-AEIO-390-A Rev 1