# AD 65-10-01: Flap Asymmetry Warning System

- Type: Airworthiness directive
- Status: Current
- Products: Maryland Air Industries F-27, F-27A, F-27B, F-27F, F-27G, F-27J and F-27M
- Effective: May 8, 1965
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-64
- Registered aircraft: 1 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7CC7640D6C77D39F8625698400725379.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/65-10-01

## The airworthiness directive

65-10-01 FAIRCHILD: Amdt. 39-64 Part 39 Federal Register May 8, 1965. Applies to Model F-27 Aircraft with Center Hinge Wing Flap Asymmetry Switches, P/N 658-001.

Compliance required within 25 hours' time in service after the effective date of this AD, unless already accomplished.

  (a) Modify aircraft in accordance with Fairchild Service Bulletin No. 27-19, dated June 6, 1960, or Service Bulletin No. 27-26, dated September 9, 1960, Revision 1, dated March 1, 1965, or an equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.

  (b) Upon request of an operator, an FAA maintenance inspector, subject to prior approval of the Chief, Engineering and Manufacturing Branch, FAA Eastern Region, may adjust the compliance time specified in this AD if the request contains substantiating data to justify the increase for such operator.

This directive effective upon publication in the Federal Register for all persons except those to whom it was madeeffective immediately by telegram dated April 23, 1965.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 7A1](https://openairdocs.org/tcds/7A1): Maryland Air Industries Inc.; names 7 of 12 models: F-27, F-27A, F-27M, F-27J, F-27F, F-27B, F-27G

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 1 (1 by airframe model, 0 by engine model)
- Makers: Fairchild 1

Models with the most aircraft:

- [Fairchild F-27F](https://openairdocs.org/model/fairchild-f-27f): 1 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/65-10-01/models.md
Every aircraft: https://openairdocs.org/ad/65-10-01/aircraft.md

Its text cites no advisory circulars or STCs.

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