# AD 86-19-03: Fire Extinguisher Discharge Outlets

- Type: Airworthiness directive
- Status: Current
- Products: Airbus A300 B2-1A, A300 B2-1C, A300 B2-203, A300 B2K-3C, A300 B4-103, A300 B4-203, A300 B4-2C, A310-203, A310-221, A310-222, A310-304, A310-322 and 45 more
- Effective: September 26, 1986
- Superseded by: Nothing supersedes this AD
- Product type: Appliance
- Amendment: 39-5397
- Registered aircraft: 1,593 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/21405F90082B42B18625695A0070475D.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/86-19-03

## The airworthiness directive

86-19-03 HTL ADVANCED TECHNOLOGY: Amendment 39-5397. Applies to HTL Advanced Technology fire extinguisher discharge outlets as listed in the service bulletins and installed on Boeing Model 707, 727, 737, 747, 757 and 767 series airplanes and on Airbus Industrie Model A300 and A310 series airplanes.

To preclude the potential for separation of the fire extinguisher discharge outlet and misdirection of the fire extinguishing agent, accomplish the following within twelve (12) months after the effective date of the AD, unless already accomplished:

A. Complete the physical and top view x-ray inspections of the fire extinguisher discharge outlets specified in HTL Advanced Technology Service Bulletins listed below, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region:

HTL SERVICE BULLETINS MFRS. S/B 35203000-26-A-3 Rev. C 6-15-85 747 ENG/APU 747-26A2108 35203000-26-A-3 Rev. C 6-15-85 767ENG/APU 767-26A0019 35203010-26-A-1 Rev. A 6-15-85 707 ENG 707-A3441 35203016-26-A-2 Rev. B 6-15-85 737 ENG 737-26A1029 35203018-26-A-2 Rev. B 6-15-85 727 ENG 727-26A0034 35203021-26-A-2 Rev. B 6-15-85 737 APU 737-26A1029 35203022-26-A-2 Rev. B 6-15-85 727 APU 727-26A0034 35203037-26-A-3 Rev. C 6-15-85 767 ENG/APU 767-26A0019 35203038-26-A-1 Rev. A 6-15-85 767 Cargo 767-26A0021 35203039-26-A-1 Rev. A 6-15-85 767 ENG/APU 767-26A0019 35203040-26-A-1 Rev. A 6-15-85 767 ENG/APU 767-26A0019 35289950-26-A-1 Rev. A 6-15-85 747 ENG/APU 747-26A2110 35289950-26-A-1 Rev. A 6-15-85 757 Cargo 757-26A0010 35289950-26-A-1 Rev. A 6-15-85 767 Cargo 767-26A0021 35290250-26-A-2 Rev. B 6-15-85 747 APU 747-26A2108

B. If a discharge outlet does not meet the criterion for acceptability specified in the above bulletins, replace with a serviceable unit before further flight.

C. For discharge outlets that meet the criterion for acceptance specified in the above service bulletins, accomplish the reidentification in accordance with the accomplishment instructions therein.

D. Remove and replace the fire extinguisher discharge outlets specified in the HTL Advanced Technology Service Bulletins listed below, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

HTL SERVICE BULLETINS

MFRS. S/B 33600005-1-26-1 Rev. 10-15-84 A300/APU A300-26-048 33600005-1-26-1 - 10-15-84 A310/APU A310-26-2004 33600005-2-26-2 - 10-15-84 A310/APU A310-26-2004 35203030-26-A-1 - 8-31-84 A310 ENG A310-26-2003

E. 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.

F. 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 HTL Advanced Technology, 1800 Highland Avenue, Duarte, California 91010, Attention: John Hansen, Director of Quality Assurance. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Los Angeles Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California.

This amendment becomes effective September 26, 1986.

## Affected data sheets (8) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A20WE](https://openairdocs.org/tcds/A20WE): The Boeing Company; names 12 of 14 models: 747-100B Series, 747SP Series, 747-400D Series, 747-400F Series, 747-200B Series, 747-200F Series, 747-300 Series, 747-200C Series…
- [TCDS A16WE](https://openairdocs.org/tcds/A16WE): The Boeing Company; names 9 of 17 models: 737-500 Series, 737-100 Series, 737-200C Series, 737-800 Series, 737-300 Series, 737-200 Series, 737-700 Series, 737-400 Series…
- [TCDS A35EU](https://openairdocs.org/tcds/A35EU): Airbus SAS; names 7 of 17 models: A310-203, A310-221, A310-324, A310-322, A310-325, A310-304, A310-222
- [TCDS A3WE](https://openairdocs.org/tcds/A3WE): The Boeing Company; names 6 of 6 models: 727-100 Series, 727 Series, 727-200 Series, 727-100C Series, 727-200F Series, 727C Series
- [TCDS 4A21](https://openairdocs.org/tcds/4A21): The Boeing Company; names 4 of 4 models: 707-100B Short Body, 707-200, 707-100 Long Body, 707-100B Long Body
- [TCDS 4A26](https://openairdocs.org/tcds/4A26): The Boeing Company; names 4 of 4 models: 707-300B Series, 707-400 Series, 707-300 Series, 707-300C Series
- [TCDS A2NM](https://openairdocs.org/tcds/A2NM): The Boeing Company; names 4 of 4 models: 757-200CB Series, 757-200PF Series, 757-300 Series, 757-200 Series
- [TCDS A1NM](https://openairdocs.org/tcds/A1NM): The Boeing Company; names 3 of 5 models: 767-300 Series, 767-200 Series, 767-300F 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: 1,593 (1,593 by airframe model, 0 by engine model)
- Makers: Boeing 1,589, Airbus Industrie 4

Models with the most aircraft:

- [Boeing 737-823](https://openairdocs.org/model/boeing-737-823): 278 aircraft (airframe model)
- [Boeing 767-300F](https://openairdocs.org/model/boeing-767-300f): 169 aircraft (airframe model)
- [Boeing 737-800](https://openairdocs.org/model/boeing-737-800): 139 aircraft (airframe model)
- [Boeing 737-824](https://openairdocs.org/model/boeing-737-824): 135 aircraft (airframe model)
- [Boeing 737-832](https://openairdocs.org/model/boeing-737-832): 71 aircraft (airframe model)
- [Boeing 757-232](https://openairdocs.org/model/boeing-757-232): 63 aircraft (airframe model)
- [Boeing 737-890](https://openairdocs.org/model/boeing-737-890): 60 aircraft (airframe model)
- [Boeing 767-332](https://openairdocs.org/model/boeing-767-332): 46 aircraft (airframe model)
- [Boeing 757-224](https://openairdocs.org/model/boeing-757-224): 40 aircraft (airframe model)
- [Boeing 757-222](https://openairdocs.org/model/boeing-757-222): 38 aircraft (airframe model)
- [Boeing 737-724](https://openairdocs.org/model/boeing-737-724): 36 aircraft (airframe model)
- [Boeing 767-322](https://openairdocs.org/model/boeing-767-322): 36 aircraft (airframe model)
- [Boeing 767-323](https://openairdocs.org/model/boeing-767-323): 27 aircraft (airframe model)
- [Boeing 757-223](https://openairdocs.org/model/boeing-757-223): 23 aircraft (airframe model)
- [Boeing 757-236](https://openairdocs.org/model/boeing-757-236): 20 aircraft (airframe model)
- [Boeing 757-251](https://openairdocs.org/model/boeing-757-251): 18 aircraft (airframe model)
- [Boeing 757-351](https://openairdocs.org/model/boeing-757-351): 16 aircraft (airframe model)
- [Boeing 737-790](https://openairdocs.org/model/boeing-737-790): 14 aircraft (airframe model)
- [Boeing 737-752](https://openairdocs.org/model/boeing-737-752): 13 aircraft (airframe model)
- [Boeing 757-231](https://openairdocs.org/model/boeing-757-231): 13 aircraft (airframe model)

All 136 models: https://openairdocs.org/ad/86-19-03/models.md
Every aircraft: https://openairdocs.org/ad/86-19-03/aircraft.md

Its text cites no advisory circulars or STCs.

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