# AD 72-17-03: Rudder Pedal Arm Casting

- Type: Airworthiness directive
- Status: Current
- Products: Boeing DC-8-11, DC-8-12, DC-8-21, DC-8-31, DC-8-32, DC-8-33, DC-8-41, DC-8-42, DC-8-43, DC-8-51, DC-8-52, DC-8-53 and 37 more
- Effective: September 16, 1972
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-1502
- Registered aircraft: 107 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9E1C8CF1D80FEF3E862569C9006C6F2A.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/72-17-03

## The airworthiness directive

72-17-03 MCDONNELL DOUGLAS: Amdt. 39-1502. Applies to Model DC-8 Series Airplanes, Fuselage Numbers 1 through 551, inclusive, which correspond to the factory serial numbers listed in Douglas Service Bulletin No. 27-247, dated 21 January 1972, or later FAA-approved revisions; and Model DC-9 Series Airplanes, Fuselage Numbers 1 - 19, 21 - 32, 35 - 546, 548 - 638 and 640 which correspond to the factory serial numbers listed in Douglas Service Bulletin No. 27-148, dated 21 January 1972, or later FAA-approved revisions.

Compliance required within the next 90 days after the effective date of this AD unless already accomplished.

To detect defective rudder pedal arm casting perform a one-time-only inspection in accordance with:

  (1) For Model DC-8 airplanes; per Service Bulletin 27-247, dated 21 January 1972, or later FAA-approved revisions or other FAA-approved equivalent inspection, or

  (2) For Model DC-9 airplanes; per Service Bulletin 27-148, dated 21 January 1972, or later FAA-approved revisions, or other FAA-approved equivalent inspection.

Replace any casting that exceeds the defect limits specified in paragraph 2(h) of the Service Bulletins.

This amendment becomes effective on September 16, 1972.

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 4A25](https://openairdocs.org/tcds/4A25): The Boeing Company; names 27 of 27 models: DC-8-41, DC-8-52, DC-8-61, DC-8-53, DC-8-51, DC-8-63, DC-8-11, DC-8-72F…
- [TCDS A6WE](https://openairdocs.org/tcds/A6WE): The Boeing Company; names 19 of 25 models: DC-9-12, DC-9-15F, DC-9-41, DC-9-13, DC-9-34F, DC-9-81 (MD-81), DC-9-33F, DC-9-83 (MD-83)…

## 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: 107 (107 by airframe model, 0 by engine model)
- Makers: Mcdonnell Douglas 96, Douglas 11

Models with the most aircraft:

- [Mcdonnell Douglas DC-9-83(MD-83)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-83-md-83): 49 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-82(MD-82)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82-md-82): 22 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-87](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87): 13 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-15F](https://openairdocs.org/model/mcdonnell-douglas-dc-9-15f): 3 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-33F](https://openairdocs.org/model/mcdonnell-douglas-dc-9-33f): 3 aircraft (airframe model)
- [Douglas DC-8-73](https://openairdocs.org/model/douglas-dc-8-73): 2 aircraft (airframe model)
- [Douglas DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f): 2 aircraft (airframe model)
- [Douglas DC-9-83](https://openairdocs.org/model/douglas-dc-9-83): 1 aircraft (airframe model)
- [Mcdonnell Douglas DC-8-62](https://openairdocs.org/model/mcdonnell-douglas-dc-8-62): 1 aircraft (airframe model)
- [Mcdonnell Douglas DC-8-63](https://openairdocs.org/model/mcdonnell-douglas-dc-8-63): 1 aircraft (airframe model)
- [Mcdonnell Douglas DC-8-63F](https://openairdocs.org/model/mcdonnell-douglas-dc-8-63f): 1 aircraft (airframe model)
- [Douglas DC-8-72](https://openairdocs.org/model/douglas-dc-8-72): 1 aircraft (airframe model)
- [Douglas DC9-15](https://openairdocs.org/model/douglas-dc9-15): 1 aircraft (airframe model)
- [Douglas DC-9-15F](https://openairdocs.org/model/douglas-dc-9-15f): 1 aircraft (airframe model)
- [Douglas DC-9-21](https://openairdocs.org/model/douglas-dc-9-21): 1 aircraft (airframe model)
- [Douglas DC-9-32F](https://openairdocs.org/model/douglas-dc-9-32f): 1 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32): 1 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-32F](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32f): 1 aircraft (airframe model)
- [Douglas DC-9-33F](https://openairdocs.org/model/douglas-dc-9-33f): 1 aircraft (airframe model)
- [Mcdonnell Douglas DC-9-87 (MD-87)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-87-md-87): 1 aircraft (airframe model)

All 20 models: https://openairdocs.org/ad/72-17-03/models.md
Every aircraft: https://openairdocs.org/ad/72-17-03/aircraft.md

Its text cites no advisory circulars or STCs.

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