AD 47-10-34

final rule
Data completeness: 60%

LOCKHEED Model 49

AD Number
47-10-34
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Lockheed Aircraft Corporation 49-46 LOCKHEED Model 49

Unsafe Condition

Exhaust system ball joint assemblies (Solar P/N CV-611 and CV-615-1 through CV-615-18) may fail due to fatigue or corrosion if not inspected and reworked in accordance with specified procedures.

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

Required Actions

Inspect exhaust system ball joints per LAC Service Information Letter No. 42 at intervals per operator's approved maintenance specification. Disassemble ball joints every 250 hours and replace unsatisfactory parts. Overhaul period for new Solar ball joints may align with engine overhaul period as per operator's approval.

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

Compliance Time

Before further flight unless inspections are conducted within the specified intervals (e.g., 250-hour disassembly periods).

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Affected Aircraft

Lockheed Aircraft Corporation Model 49 serial numbers up to and including 2088.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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