# AD 48-03-04: Landing Gear Hydraulic Hose

- Type: Airworthiness directive
- Status: Current
- Products: Frakes G-73
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Registered aircraft: 13 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A3D9EA75A760A0DA862569AB00667BBA.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/48-03-04

## The airworthiness directive

48-03-04 GRUMMAN: Applies to G-73 Aircraft Serial Numbers J-1 Through J-25. Compliance required within the next 100 hours of operation.

To prevent landing gear hydraulic hose failures due to chafing against the landing gear strut, install landing gear hinge type flex hose guides Grumman P/N 109557-1 and 109557-2 in accordance with Grumman Service Bulletin No. 3 dated November 4, 1947.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-783](https://openairdocs.org/tcds/A-783): Frakes Aviation; names 1 of 1 models: G-73

## 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: 13 (13 by airframe model, 0 by engine model)
- Makers: Grumman 13

Models with the most aircraft:

- [Grumman G-73](https://openairdocs.org/model/grumman-g-73): 13 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/48-03-04/models.md
Every aircraft: https://openairdocs.org/ad/48-03-04/aircraft.md

Its text cites no advisory circulars or STCs.

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