# AD 87-02-04: Main Landing Gear

- Type: Airworthiness directive
- Status: Historical
- Products: British Aerospace Regional H.P. 137 Jetstream Mk. 1, Jetstream Series 200 and Jetstream Series 3101
- Effective: January 30, 1987
- Superseded by: [AD 2014-07-07](https://openairdocs.org/ad/2014-07-07)
- Product type: Aircraft, Small/large airplane
- Amendment: 39-5497
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/24E8A92A8AE9E283862569F1006BCD32.0001
- DRS record last changed: August 7, 2025
- Page: https://openairdocs.org/ad/87-02-04

## The airworthiness directive

87-02-04 BRITISH AEROSPACE: Amendment 39-5497. Applies to Models HP 137 Mk.1 (all serial numbers), Jetstream Series 200 (all serial numbers), and Jetstream Model 3101 airplanes (serial numbers 601 to 606) equipped with Main Landing Gear Type Numbers 1863 and 1864 (all suffixes), certificated in any category.

Compliance: Required as indicated after the effective date of this AD, unless already accomplished.

To prevent the development of hazardous cracks in the main landing gear pintle housing, accomplish the following:

  (a) Within 300 landings and every 1200 landings thereafter: Conduct an eddy current inspection in accordance with Section 2 "Accomplishment Instructions", Part A "Non- destructive Testing" of British Aerospace (BAe) Mandatory Service Bulletin (MSB) No. 32-A- JA851226 dated December 19, 1985, Section 2 "Accomplishment Instructions" of BAe Air Weapons Division (AWD) Service Bulletin (S/B) No. 32-19 dated December 19, 1985. If cracks are found, before further flight, carry out repairs in accordance with AWD S/B No. 32-19.

  (b) At intervals of 300 landings after the initial inspection, required by paragraph (a) of this AD, conduct a visual inspection in accordance with Section 2 "Accomplishment Instructions," Part B, "Visual Inspections" of AWD S/B No. 32-19. If indications of cracks are discovered, conduct an eddy current inspection in accordance with paragraph (a) of this AD. If cracks are found, before further flight, carry out repairs in accordance with AWD S/B No. 32-19.

  (c) Within 300 landings after a heavy or abnormal landing, conduct an eddy current inspection in accordance with paragraph (a) of this AD.

  (d) If the actual number of landings is unknown for the purpose of complying with this AD, one landing may be substituted for each one-half hour of flight unless the operator substantiates a different flight hours to landings ratio. This substantiation must be submitted to, and approved by, the Manager, Aircraft Certification Staff, address below.

  (e) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.

  (f) The intervals between the repetitive inspections required by this AD may be adjusted up to 10 percent of the specified interval to allow accomplishment of these inspections concurrent with other scheduled maintenance on the airplane.

  (g) An equivalent means of compliance with this AD may be used if approved by the Manager, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, B-1000 Brussels, Belgium.

All persons affected by this directive may obtain copies of the documents referred to herein upon request to British Aerospace, Engineering Department, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041; Telephone (703) 435-9100; or FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106.

This amendment becomes effective on January 30, 1987.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A21EU](https://openairdocs.org/tcds/A21EU): British Aerospace Regional Aircraft; names 3 of 3 models: Jetstream Series 200, H.P. 137 Jetstream Mk. 1, Jetstream Series 3101

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

## Related documents

- [AD 2014-07-07](https://openairdocs.org/ad/2014-07-07) (historical): Landing Gear · British Aerospace Regional Jetstream Series 200 and Jetstream Series 3101. Effective Jun 3, 2014. Supersedes this AD

Its text cites no advisory circulars or STCs.

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