# AD 80-17-12: Fire Fighting Safeguards

- Type: Airworthiness directive
- Status: Current
- Products: Boeing DC-10-10, DC-10-10F, DC-10-15, DC-10-30, DC-10-30F (KC-10A, KDC-10), DC-10-30F (KC-10A, KDC-10), DC-10-30F (KC-10A, KDC-10), DC-10-40 and DC-10-40F
- Effective: August 28, 1980
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-3890
- Registered aircraft: 26 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BF06DD6E58D2ACF0862569F20068A696.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/80-17-12

## The airworthiness directive

80-17-12 MCDONNELL DOUGLAS: Amendment 39-3890. Applies to DC-10 Series Airplanes fuselage numbers 1 through 243.

Compliance required as indicated, unless already accomplished. To prevent restriction of travel of the wing engine emergency fire shut off handle and loss of associated fire fighting safeguards, accomplish the following:

Within 300 hours additional time in service after the effective date of this AD, accomplish paragraph (1) or (2) below.

  (1) Inspect and seal cable guard pin P/N AA 2603-9 in place in accordance with McDonnell Douglas Alert Service Bulletin A76-27 dated 6/24/80 and within 1500 hours additional time in service after the effective date of this AD accomplish the modification described in McDonnell Douglas Service Bulletin 76-27 dated 7/16/80; or

  (2) Accomplish the modification described in McDonnell Douglas Service Bulletin 76-27 dated 7/16/80.

  (3) Accomplishment of the modification described in McDonnell Douglas Service Bulletin 76-27 dated 7/16/80 is terminating action for this AD. Service Bulletin 76-27 calls for the replacement of the existing guard pin with a new guard pin incorporating a lip retaining head.

  (4) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of modification required by this AD.

  (5) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.

This amendment becomes effective August 28, 1980.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A22WE](https://openairdocs.org/tcds/A22WE): The Boeing Company; names 7 of 11 models: DC-10-40, DC-10-10F, DC-10-30, DC-10-30F (KC-10A KDC-10), DC-10-10, DC-10-40F, DC-10-15

## 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: 26 (26 by airframe model, 0 by engine model)
- Makers: Mcdonnell Douglas 13, Douglas 8, Mcdonnell-Douglas 5

Models with the most aircraft:

- [Mcdonnell Douglas DC-10-30F](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30f): 12 aircraft (airframe model)
- [Douglas DC-10-40](https://openairdocs.org/model/douglas-dc-10-40): 6 aircraft (airframe model)
- [Mcdonnell-Douglas DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30): 5 aircraft (airframe model)
- [Douglas DC-10-30F](https://openairdocs.org/model/douglas-dc-10-30f): 1 aircraft (airframe model)
- [Mcdonnell Douglas DC-10-30F (KDC-10)](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30f-kdc-10): 1 aircraft (airframe model)
- [Douglas DC-10-40F](https://openairdocs.org/model/douglas-dc-10-40f): 1 aircraft (airframe model)

All 6 models: https://openairdocs.org/ad/80-17-12/models.md
Every aircraft: https://openairdocs.org/ad/80-17-12/aircraft.md

Its text cites no advisory circulars or STCs.

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