AD 85-05-02

Airworthiness directive · Fuel Selector Guard Modification · Textron 19A, 23, A23 and 11 more

Effective
April 25, 1985
Models
19A, 23, A23, A23-19, A23-24, A23A and 8 more
Data sheet
TCDSA1CE
Registered aircraft
1,525 matched by model
Product
Aircraft · Small airplane
Amendment
39-5012

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 January 21, 2026.

On this page

The airworthiness directive

85-05-02 BEECH: Amendment 39-5012. Applies to Models 23 (S/N M-2, M-4 thru M-554); A23 (S/N M-3, M-555 thru M-900); A23A (S/N M-901 thru M-1094); A23-19 (S/N MB-1 thru MB-288); A23-24 (S/N MA-1 thru MA-363); A24 (S/N MA-364 thru MA-368); 19A (S/N MB-289 thru MB-460); M19A (S/N MB-461 thru MB-480); B19 (S/N MB-481 thru MB-905); B23 (S/N M-1095 thru M-1284); C23 (S/N M-1285 thru M-2223); A24R (S/N MC-2 thru MC-150); B24R (S/N MC-152 thru MC-448, MC-450, MC-451); and C24R (S/N MC-449, MC-452 thru MC-688, MC-690 thru MC-695) airplanes certificated in any category.

Compliance: Required within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished.

To prevent the inadvertent selection of a fuel selector "off" position, accomplish the following:

(a) Modify the fuel selector guard by incorporating the Selector Stop, Part Number 169-920041-9 and appropriate decal as described in Beechcraft Mandatory Service Bulletin No. 2053 dated February 1985, or Beechcraft Service Instructions No. 1095, Revision 1.

(b) Airplanes may be flown in accordance with FAR 21.197 to a location where the AD may be accomplished.

(c) An equivalent means of compliance with the AD may be used, if approved, by the Manager, Wichita Aircraft Certification Office, Federal Aviation Administration, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209; telephone (316) 946- 4400.

This amendment becomes effective on April 25, 1985.

Affected TCDS · 1

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

Registered aircraft · 1,525

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
  • Beech1,525 aircraft
By year built
19621983
Registered aircraft by year built: 1,295 aircraft
196230
196381
196421
196557
1966101
196767
196869
196944
197030
197127
197231
197354
1974103
197588
1976104
197790
1978104
197974
198043
198134
198223
198320

230 with no year recorded

By model

Aircraft

See all 1,525 aircraft

NTSB investigations that cite this AD · 3

Their narratives or probable cause name AD 85-05-02, often to say whether the aircraft complied with it.