# AD 47-25-07: Oil Radiator Outlet Sleeve

- Type: Airworthiness directive
- Status: Current
- Products: Swift Museum Foundation GC-1A and GC-1B
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 541 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6C525791DD012FDD86256A56006B8A47.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-25-07

## The airworthiness directive

47-25-07 GLOBE: (Was Mandatory Note 11 of AD-766-5.) Applies to Models GC-1A and GC-1B Aircraft Serial Numbers 1001 to 1119 Inclusive.

Compliance required prior to August 1, 1947.

If an oil radiator is or has been installed, inspect the forward end of the engine's left oil galley outlet port and remove steel sleeve, Continental P/N 25206, if found to be installed. This is necessary to insure that positive lubrication is being provided the No. 6 cylinder connecting rod bearing.

(Globe Customer Service Maintenance Bulletin No. 13 covers this same subject.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-766](https://openairdocs.org/tcds/A-766): Swift Museum Foundation Inc.; names 2 of 2 models: GC-1A, GC-1B

## 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: 541 (541 by airframe model, 0 by engine model)
- Makers: Globe 426, Temco 115

Models with the most aircraft:

- [Globe GC-1B](https://openairdocs.org/model/globe-gc-1b): 395 aircraft (airframe model)
- [Temco GC-1B](https://openairdocs.org/model/temco-gc-1b): 115 aircraft (airframe model)
- [Globe GC-1A](https://openairdocs.org/model/globe-gc-1a): 31 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/47-25-07/models.md
Every aircraft: https://openairdocs.org/ad/47-25-07/aircraft.md

Its text cites no advisory circulars or STCs.

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