AD 2015-17-12

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Cessna Aircraft Company Airplanes

AD Number
2015-17-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2014-1044
FR Citation
80 FR 51443

Applicability

TypeManufacturerModelDetails
aircraft Cessna Aircraft Company Airworthiness Directives; Cessna Aircraft Company Airplanes

Unsafe Condition

Excessive wear of the brushes in the air conditioning (A/C) motor can cause sparking, leading to rivet contact with the commutator, which may result in fire and/or smoke in the tailcone with no means to detect or extinguish the issue.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect to determine if certain A/C compressor motors are installed and to determine the accumulated hours on certain A/C compressor motor assemblies. Replace the brushes in the A/C compressor motor assembly repetitively, or deactivate the A/C system and install a placard as an alternative. Return replaced brushes to Cessna.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Cessna Aircraft Company Model 500, 501, 550, 551, S550, 560, and 650 airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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