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AD 47-10-10 ACTIVE

Voltage Regulator Soundproofing
Key Information
AD Number 47-10-10 Status Active
Effective Date Not specified Issue Date Not specified
Docket Number Unknown Amendment N/A
Product Type ["Aircraft"] Product Subtype ["Large Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation This information is not available.
Applicability
Manufacturer(s) Lockheed Aircraft Corporation
Model(s) 49-46
Regulatory Text

47-10-10 LOCKHEED: (Was Mandatory Note 12 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088.

Compliance required immediately.

Remove all soundproofing pads adjacent to and surrounding the voltage regulators.

(LAC Service Bulletin 49/SB-171 covers this same subject.)