# AD 87-07-08: APU Shutoff Valve

- Type: Airworthiness directive
- Status: Current
- Products: Lockheed Martin 1329-23A, 1329-23D, 1329-23E and 1329-25 with STC SA1043WE or SA3297WE
- Effective: May 1, 1987
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-5592
- Registered aircraft: 6 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2A04A9DD3DFDC97186256976005102F4.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/87-07-08

## The airworthiness directive

87-07-08 LOCKHEED-GEORGIA COMPANY: Amendment 39-5592. Applies to Lockheed JetStar Model 1329 and JetStar Model 1329-25 series airplanes, equipped with an AiResearch Aviation Company Model GTCP 30-92 Auxiliary Power Unit (APU) in accordance with STC SA1043WE or STC SA3297WE, certificated in any category. Compliance required as indicated, unless previously accomplished.

To minimize the potential for fuel fumes entering the passenger compartment, accomplish the following:

A. Within the next 600 hours time-in-service or 12 months after the effective date of this AD, whichever occurs earlier:

1. Install an improved APU fuel supply shutoff valve, Valcor P/N V4700- 130, in accordance with AiResearch Aviation Company Service Bulletin No. 11.37, dated December 19, 1984, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

2. Visually inspect the sealing joint of the fuel control governor cover for fuelleaks, seal (O-ring) extrusion, and cover distortion, and replace, if necessary, prior to further flight, in accordance with the AiResearch Aviation Company Service Bulletin mentioned above.

B. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

C. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to the Lockheed-Georgia Company, 86 South Cobb Drive, JetStar Customer Support, Dept. 64-26, Zone 668, Marietta, Georgia, 30063; or AiResearch Aviation Company, Customer Support Department, 6201 West Imperial Highway, Los Angeles, California 90045. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at 4344 Donald Douglas Drive, Long Beach, California.

This amendment becomes effective May 1, 1987.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 2A15](https://openairdocs.org/tcds/2A15): Lockheed Martin Corporation; names 4 of 4 models: 1329-23D, 1329-23A, 1329-25, 1329-23E

## 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: 6 (6 by airframe model, 0 by engine model)
- Makers: Lockheed 6

Models with the most aircraft:

- [Lockheed 1329-25 JETSTAR II](https://openairdocs.org/model/lockheed-1329-25-jetstar-ii): 5 aircraft (airframe model)
- [Lockheed 1329-23E](https://openairdocs.org/model/lockheed-1329-23e): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/87-07-08/models.md
Every aircraft: https://openairdocs.org/ad/87-07-08/aircraft.md

## Related documents

- [STC SA1043WE](https://openairdocs.org/stc/SA1043WE): Installation of GTCP30-92 or GTCP30-92C auxiliary power unit.. UNC/CFC Acquisition Co, Named in the applicability
- [STC SA3297WE](https://openairdocs.org/stc/SA3297WE): Installation of GTCP 30-92C auxiliary power unit.. UNC/CFC Acquisition Co, Named in the applicability

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