Service Instruction No. 1596
Recommended Time Between Overhaul Periods for Engines Affected by and Not in Compliance with AD 2012-19-01
Publications
Service Instruction No. 1596
DATE:
July 20, 2026
SUBJECT:
Recommended Time Between Overhaul Periods for Engines Affected by and Not in Compliance with AD 2012-19-01
MODELS AFFECTED:
All Lycoming Piston Aircraft Engines Affected by AD 2012-19-01
TIME OF COMPLIANCE:
This Service Instruction provides Instructions for Continued Airworthiness (ICA).
REASON FOR REVISION:
Changed the second NOTICE on page 1 to a WARNING and revised the language. Added a listing for an additional alternator assembly for engine model TEO-540-C1A in Table 2. Added footnote to Table 2. Added a CAUTION and an engine model table on page 2. Added a row for IO-390-C in Table 1. Added footnote for IO-390-C.
