AD 2011-21-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna | Aircraft Company | Airworthiness Directives; Cessna Aircraft Company Airplanes |
Unsafe Condition
A report of a battery fire that resulted after an energized ground power unit was connected to a Cessna Model 525C airplane equipped with a lithium-ion battery, Cessna P/N 9914788-1, as the main aircraft battery.
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Required Actions
Replace the lithium-ion main aircraft battery, Cessna P/N 9914788-1, with a Ni-Cad or a lead acid battery, following the procedures specified in Cessna Citation Service Bulletin SB525C-24-05.
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Compliance Time
Before further flight
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Affected Aircraft
Cessna Aircraft Company Model 525C airplanes, serial numbers 0001 through 0052, with a lithium-ion battery, Cessna P/N 9914788-1, installed as the main aircraft battery.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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