# AD 51-16-02: Trim Tab Modification

- Type: Airworthiness directive
- Status: Current
- Products: Alexandria 14-19, 14-19-2, 14-19-3 and 14-19-3A
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 145 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B79FBD5B908E430586256A3400570590.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/51-16-02

## The airworthiness directive

51-16-02 BELLANCA: Applies to All Model 14-19 Airplanes Serial Numbers 2002 Through 2075.

Compliance required within the next 25 hours of operation, but not later than August 1, 1951.

As the result of a recent failure of the elevator trim tab in flight, the modification of the trim tab attachment to the elevator as shown in Figure 1 should be made.

FIGURE 1

(Bellanca Service Bulletin No. 2, Model 14-19, covers this same subject.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 1A3](https://openairdocs.org/tcds/1A3): Bellanca Aircraft Inc.; names 4 of 7 models: 14-19-2, 14-19-3, 14-19-3A, 14-19

## 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: 145 (145 by airframe model, 0 by engine model)
- Makers: Bellanca 138, Downer 7

Models with the most aircraft:

- [Bellanca 14-19-3](https://openairdocs.org/model/bellanca-14-19-3): 57 aircraft (airframe model)
- [Bellanca 14-19-2](https://openairdocs.org/model/bellanca-14-19-2): 49 aircraft (airframe model)
- [Bellanca 14-19](https://openairdocs.org/model/bellanca-14-19): 30 aircraft (airframe model)
- [Downer 14-19-3](https://openairdocs.org/model/downer-14-19-3): 4 aircraft (airframe model)
- [Bellanca 14-19-3A](https://openairdocs.org/model/bellanca-14-19-3a): 2 aircraft (airframe model)
- [Downer 14-19-3A](https://openairdocs.org/model/downer-14-19-3a): 2 aircraft (airframe model)
- [Downer 14-19-2](https://openairdocs.org/model/downer-14-19-2): 1 aircraft (airframe model)

All 7 models: https://openairdocs.org/ad/51-16-02/models.md
Every aircraft: https://openairdocs.org/ad/51-16-02/aircraft.md

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.