AD 78-17-06

Airworthiness directive · Fuel Manifold Adapter Assemblies · Pratt & Whitney Canada JT15D-4

Effective
August 31, 1978
Model
JT15D-4
Registered aircraft
357 matched by model
Product
Engine
Amendment
39-3286

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

On this page

The airworthiness directive

78-17-06 PRATT & WHITNEY AIRCRAFT OF CANADA, LIMITED: Amendment 39-3286. Applies to all Pratt & Whitney Aircraft of Canada, Limited JT15D-4 engines prior to Serial Number PCE-70111 and Pratt & Whitney Aircraft JT15D-4 engines prior to Serial Number P-70111 with Part Number 3023031 and 3023035 fuel manifold adapter assemblies.

Compliance required within the next 50 hours in service after the effective date of this AD, unless already accomplished.

To preclude fuel leakage from the fuel adapter assemblies, replace the Part Number 3023031 and 3023035 fuel manifold adapter assemblies with Part Number 3021699 and 3021698 fuel manifold adapter assemblies in accordance with Paragraph 2, Accomplishment Instructions in Pratt & Whitney Aircraft of Canada, Limited Service Bulletin No. 7087 as revised or approved equivalent parts.

Aircraft may be flown to a base for performance of maintenance required by this AD per FAR 21.197 or FAR 21.199.

All equivalent parts must be approved by the Chief, Engineering and Manufacturing Branch of the Eastern Region of the Federal Aviation Administration (FAA).

This amendment is effective August 31, 1978.

Registered aircraft · 357

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Cessna338 aircraft
  • Mitsubishi16 aircraft
  • SIAI Marchetti2 aircraft
  • Raytheon1 aircraft
By year built
19501998
Registered aircraft by year built: 313 aircraft
19501
19721
19741
197813
197926
198039
198143
198234
198315
198411
198524
19869
198712
198824
198911
199014
199115
199214
19933
19941
19951
19981

44 with no year recorded

By model

Aircraft

See all 357 aircraft