# AD 67-23-05: Automatic Fire Extinguishers

- Type: Airworthiness directive
- Status: Current
- Products: Airbus BAC 1-11 200 Series, BAC 1-11 400 Series, DH.125 Series 1A, DH.125 Series 1A-522, DH.125 Series 1A/R-522, DH.125 Series 1A/S-522, DH.125 Series 3A, DH.125 Series 3A/R, DH.125 Series 3A/RA, DH.125 Series 400A, SC-7 Skyvan Series 2, SC-7 Skyvan Series 3 and 1 more
- Published: August 1, 1967
- Superseded by: Nothing supersedes this AD
- Product type: Appliance
- Amendment: 39-454
- Registered aircraft: 2 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/48B2091DA9667D1886256E01005462C4.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/67-23-05

## The airworthiness directive

67-23-05 GRAVINER: Amdt. 39-454, Part 39, Federal Register August 1, 1967. Applies to Automatic Fire Extinguishers Installed on, but not Necessarily Limited to, the Airplanes Listed: P/N's 112A, 147A, and 1137A Installed on BAC 1-11 200 and 400 Series Airplanes; P/N 132A Installed on Short Bros. Skyvan SC-7, Series 2 Variant 200; and P/N 142A Installed on Hawker Siddeley DH-125 Series Airplanes.

Compliance required as indicated.

To prevent failure of Graviner fire extinguisher containers, accomplish the following:

  (a) Within the next 25 hours' time in service after the effective date of this AD, unless already accomplished within the last 500 hours' time in service for fire extinguisher containers with a stamp date October 1965 or before, or unless already accomplished within the last 1,500 hours' time in service for fire extinguisher containers with a stamp date later than October 1965, visually inspect Graviner automatic fire extinguisher containers for cracks orleaks and weight in accordance with Graviner Alert Service Bulletin No. 26-A30, Issue No. 2, dated April 21, 1967, or later ARB-approved issue, or FAA-approved equivalent.

  (b) Repeat the inspection specified in paragraph (a) at intervals not to exceed 500 hours' time in service from the last inspection for fire extinguisher containers with a stamp date October 1965 or before. For fire extinguisher containers with a stamp date later than October 1965, reinspect in accordance with paragraph (a) once between 1,400 and 1,500 hours' time in service after the initial inspection.

  (c) Replace all defective fire extinguisher containers with fire extinguisher containers of the same part number with a stamp date later than October 1965 before further flight.

This AD supersedes AD 67-17-04.

This amendment effective August 1, 1967.

Revised August 12, 1967.

## Affected data sheets (3) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A3EU](https://openairdocs.org/tcds/A3EU): Textron Aviation Inc.; names 8 of 50 models: DH.125 Series 1A/R-522, DH.125 Series 400A, DH.125 Series 3A/R, DH.125 Series 1A, DH.125 Series 1A-522, DH.125 Series 3A, DH.125 Series 1A/S-522, DH.125 Series 3A/RA
- [TCDS A15EU](https://openairdocs.org/tcds/A15EU): De Havilland Aircraft of Canada Limited; names 2 of 2 models: SC-7 Skyvan Series 3, SC-7 Skyvan Series 2
- [TCDS A5EU](https://openairdocs.org/tcds/A5EU): Airbus SAS; names 2 of 2 models: BAC 1-11 200 Series, BAC 1-11 400 Series

## 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: 2 (2 by airframe model, 0 by engine model)
- Makers: Hawker Siddeley 2

Models with the most aircraft:

- [Hawker Siddeley DH.125-3A/RA](https://openairdocs.org/model/hawker-siddeley-dh-125-3a-ra): 2 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/67-23-05/models.md
Every aircraft: https://openairdocs.org/ad/67-23-05/aircraft.md

Its text cites no advisory circulars or STCs.

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