60-08-02: Longeron Cracks

FAA order 60-08-02 is an airworthiness directive. The FAA's subject line: Longeron Cracks. It names Boeing 75, Boeing A75 Stearman Kaydet, Boeing B75 Stearman Kaydet, Boeing D75, Boeing E75 Stearman Kaydet, Boeing IB75: about 1,644 aircraft on the U.S. register today across them, though an order usually covers particular versions or serial numbers rather than every one. System: airframe structure.

What it applies to as the FAA lists it

Kind of product: Aircraft
Makes: Boeing Airplane Company, Wichita Division
Models: 75 (Army PT-13), A75 (Army PT-13A, -13B, -13C), A75J1 (Army PT-18), A75L3, A75L300, A75N1 (Army PT-17, -17A, Navy N2S-1, -4), B75 (Navy N2S-5), B75N1 (Navy N2S-3), D75N1 (Army PT-27), E75 (Army PT-13D, Navy N2S-5, PT-13D/N2S-5), E75N1 (Army PT-13D, Navy N2S-5, PT-13D/N2S-5), IB75A
On this site: Boeing 75 18 registered
Boeing A75 Stearman Kaydet 979 registered
Boeing B75 Stearman Kaydet 257 registered
Boeing D75 35 registered
Boeing E75 Stearman Kaydet 343 registered
Boeing IB75 12 registered

Dates and paperwork

Docket: Unknown
Status: Current
The FAA's document: Read the order on the FAA's site

The order itself the regulatory text, as published

Show the full text (601 characters)

60-08-02  BOEING:  Amdt. 131 Part 507 Federal Register April 9, 1960.  Applies to All Model 75 Series Aircraft Operated in Restricted Category With a Gross Weight Exceeding 3,200 Pounds. 

	Compliance required not later than June 1, 1960, and at each 100 hours' time in service thereafter. 

	Due to reports of cracked longerons, the following shall be accomplished: 

	Visually inspect the fuselage longerons and fuselage diagonal bracing for cracks in the vicinity of the lower wing front spar attach fittings.  All cracked structural members shall be repaired or replaced in accordance with CAR 18.

Related safety bulletins advice on the same designs, not orders

2017-10-10SW-17-28 · Fuel Quantity Indicator

Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of October 5, 2026. Connections as data: /graph/directive/60-08-02.json · aircraft systems.