What should an IA do when an aircraft's alternator field coil has been rewound and the 8130-3 is completed correctly?

When an aircraft's alternator field coil has been rewound and the 8130-3 form is completed correctly, signing block 7 of the 337 Form and returning the aircraft to service is appropriate. This process indicates that the work performed meets the applicable standards and regulations, confirming that the repair has been documented correctly.

The 337 Form is a critical document for major repairs or alterations, which includes details about the work done and compliance with any relevant regulations. By signing block 7, the IA certifies that the repair adheres to acceptable maintenance practices and complies with the manufacturer's specifications, thus ensuring the safety and airworthiness of the aircraft.

Returning the aircraft to service is a vital step after confirming that the repairs were carried out properly, allowing the aircraft to be operated safely and legally.