AD 86-13-04 R3

final rule
Data completeness: 70%

TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines

AD Number
86-13-04 R3
Status
final_rule
Effective Date
Product Category
appliance
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Continental Motors | Teledyne Continental Motors GTSIO-520-C TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines
aircraft Continental Motors | Teledyne Continental Motors GTSIO-520-D TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines
aircraft Continental Motors | Teledyne Continental Motors GTSIO-520-H TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines
aircraft Continental Motors | Teledyne Continental Motors GTSIO-520-K TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines
aircraft Continental Motors | Teledyne Continental Motors GTSIO-520-L TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines
aircraft Continental Motors | Teledyne Continental Motors GTSIO-520-M TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines
aircraft Continental Motors | Teledyne Continental Motors GTSIO-520-N TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines
aircraft Continental Motors | Teledyne Continental Motors IO-520-A TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines
aircraft Continental Motors | Teledyne Continental Motors IO-520-B TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines
aircraft Continental Motors | Teledyne Continental Motors IO-520-BA TELEDYNE CONTINENTAL MOTORS (TCM) Models GTSIO-520-C, -D, -H, -K, -L, -M, -N; TSIO-520-AF, -BB, -BE, -B, -CE, -C, -E, -EB, -G, -H, -J, -K, -LB, -L, -M, -N, -NB, -P, -R, -T, -UB, -VB, -WB; IO-520-A, -B, -BA, -BB, -CB, -C, -D, -E, -F, -J, -K, -L, -MB, -M; IO-550-B, -C Engines

Unsafe Condition

Cylinder Assemblies

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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