GE Engine Cooling Plates Must Be Replaced by April Deadline
Published Date: 3/4/2025
Rule
Summary
If you fly planes with certain General Electric CT7 engines, listen up! The FAA says some cooling plates in these engines aren’t up to snuff and need to be swapped out by April 8, 2025, to keep flights safe. This fix might cost some money but it’s all about making sure your engine stays cool and reliable in the sky.
Analyzed Economic Effects
4 provisions identified: 1 benefits, 3 costs, 0 mixed.
Mandatory cooling-plate replacements by April 8, 2025
If you operate aircraft with certain GE CT7 engines, you must replace specified cooling plates after the AD effective date of April 8, 2025. The AD applies to engines with stage 1 forward cooling plate P/N 6064T08P01 or stage 2 aft cooling plate P/N 6064T07P05 or P/N 6068T36P01 and requires installation of the listed replacement P/Ns.
Estimated per-engine and U.S. cost burden
The FAA estimates replacing both affected cooling plates will cost $89,040 per engine (labor $680 and parts $88,360). The FAA estimates the AD affects 228 engines on U.S. registry, with a total estimated cost to U.S. operators of $20,301,120.
Prevents uncontained engine failure and airplane damage
The AD is issued to prevent failure of the stage 1 forward cooling plate and stage 2 aft cooling plate. The FAA says if not fixed this condition could result in uncontained engine failure and damage to the airplane, improving safety for passengers and aircraft.
Replacement timing tied to engine group and cycles
Replacement timing depends on engine group and part cycles: Group 1 engines must be done at the next gas generator stator exposure after April 8, 2025. For Group 2 engines with 7,000 or fewer part cycles since new (PCSN) as of April 8, 2025, replace at next exposure or within 2,000 flight cycles but before 7,500 PCSN. For Group 2 engines with more than 7,000 PCSN as of April 8, 2025, replace at next exposure or within 500 flight cycles.
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