AD 79-24-02

Airworthiness directive · Outer Fuel Tank Wiring · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more

Effective
November 21, 1979
Models
MU-2B, MU-2B-10, MU-2B-15, MU-2B-20, MU-2B-25, MU-2B-26 and 7 more
Registered aircraft
177 matched by model
Product
Aircraft · Small airplane
Amendment
39-3612

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.

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The airworthiness directive

79-24-02 MITSUBISHI AIRCRAFT INTERNATIONAL, INC., (MAI): Amendment 39-3612. Applies to MAI Model MU-2B series, serial numbers 354SA, 356SA, 374SA, 387SA, 392SA, 393SA, 709SA, 723SA, 728SA, and other aircraft which have previously complied with Service Recommendation No. SR017/28-001, dated July 25, 1979; MU-2B-40, serial numbers 395SA through 412SA, 414SA, and 416SA; Model MU-2B-60, serial numbers 731SA through 747SA and 749SA through 757SA.

Compliance is required within the next 50 hours' time in service after the effective date of this airworthiness directive, unless already accomplished, except that the airplane may be flown in accordance with FAR 21.197 to a base where the modifications can be performed.

To prevent pumping fuel overboard, accomplish the following: Modify outer fuel tank switch wiring in accordance with Mitsubishi Aircraft International Service Bulletin No. SB013/28-001, dated October 18, 1979; or Service Bulletin No. SB014/28-002, dated October 18, 1979, as applicable; or an equivalent method.

Mitsubishi Aircraft International Inc., Service Bulletin No. SB013/28-001 and Service Bulletin No. SB014/28-002 pertain to and provide instructions for accomplishing the intent of this AD. The manufacturer's procedures identified and described in this directive are incorporated herein and made a part thereof pursuant of U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Mitsubishi Aircraft International, Inc., Post Office Box 3848, San Angelo, Texas 76901. These documents may also be examined at Office of the Regional Counsel, Southwest Region, Federal Aviation Administration, 4400 Blue Mound Road, Fort Worth, Texas 76106.

This amendment becomes effective November 21, 1979.

Affected TCDS · 2

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 177

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
  • Mitsubishi177 aircraft
By year built
19681985
Registered aircraft by year built: 122 aircraft
19681
19695
19701
19711
19723
19738
197418
19758
19764
19774
197810
197917
198013
198122
19825
19841
19851

55 with no year recorded

By model

Aircraft

See all 177 aircraft