# AD 67-31-06: Elevator Trim Tab Hinges

- Type: Airworthiness directive
- Status: Current
- Products: Maryland Air Industries FH-227, FH-227B, FH-227C, FH-227D and FH-227E
- Effective: December 1, 1967
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-517
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7344847E062AAB488625698500661489.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/67-31-06

## The airworthiness directive

67-31-06 FAIRCHILD-HILLER: Amdt. 39-517 Part 39 Federal Register December 1, 1967. Applies to Fairchild Hiller Aircraft FH-227.

Compliance required as indicated.

Within the next five hours' time in service unless already accomplished.

Visually inspect the three elevator trim tab hinges for elongated holes in the clevis holes of the aluminum blocks located behind the three elevator trim tab hinges. Also, visually inspect each elevator trim tab hinge bearing for damage. Remove and replace blocks containing elongated holes and damaged bearings with an unused part of the same part number. Remove and replace trim tab clevis hinge containing a damaged block or bearing. This amendment effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated November 9, 1967.

## 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 5 of 12 models: FH-227B, FH-227C, FH-227D, FH-227E, FH-227

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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