AD 73-23-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 150 | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
| aircraft | Cessna Aircraft Company | 150A | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
| aircraft | Cessna Aircraft Company | 150B | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
| aircraft | Cessna Aircraft Company | 150C | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
| aircraft | Cessna Aircraft Company | 150D | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
| aircraft | Cessna Aircraft Company | 150E | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
| aircraft | Cessna Aircraft Company | 150F | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
| aircraft | Cessna Aircraft Company | 150G | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
| aircraft | Cessna Aircraft Company | 150H | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
| aircraft | Cessna Aircraft Company | 150J | Airworthiness Directives; CESSNA Models 150, A150, 172, 180, 182, 185 Airplanes |
Unsafe Condition
Defective spar attachment fittings (P/N 0523306) remaining in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace P/N 0523306 wing attach fittings with Cessna Service Kit SK 150-45A (dated July 27, 1973) as referenced in Cessna Service Letter SE73-20 (dated August 17, 1973) or later FAA-approved revisions, or with any other airworthy part approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 50 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Cessna Models 150 (S/Ns 15074635 thru 15074799); Model A150 (S/Ns A1500415 thru 1500427); Model 172 (S/Ns 17261664 thru 17261808); Model 180 (S/Ns 18052335 thru 18052349); Model 182 (S/Ns 18261960 thru 18262105); Model 185 (S/Ns 18502199 thru 18502238)
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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