The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11
DataBases updated: Mar 6th, 2026
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Service Bulletins
NameRevisionLangSubjectDate
en C-90-16F Continental Engine Breather Fitting3/26/1965
en Alternate Air Source for a 48220 Breather Tube3/26/1966
en Wire Change in Generator to Regulator Wiring3/26/1965
en Identification Plate Fastening3/26/1965
en Stapling of Engine Baffles4/1/1965
en Prevention of Foreign Matter Contaminating Wheel Bearings2/17/1966
en Eliminate Possible Cracking of Skin Around Camloc Fasteners and Reinforcement on Engine Cowling Door4/5/1966
en Wing Fuel Tank Filler Cap Rework4/21/1966
en Provide Vertical Support for Exhaust Stacks by Adding an Exhaust Support Spring4/22/1966
en More Frequent Inspection of Fuselage Fuel Tank5/3/1966
en Prevention of Control Surface Hinge Pin Loss8/23/1966
en Fuel Line Re-Routing10/4/1966
en Main Gear Toe-In/Toe-Out Alignment (Single Spring Leaf Type MLG)10/19/1966
en Rudder Bellcrank Seizures2/3/1967
en R/H Exhaust Stack Failures4/14/1967
en Fuel System Modifications
en Modification of Tail Position (White) Light Installation
en Carburetor and Fuel System Modifications
en Installation of Cylinder Head Temperature Indicator
Service Letters
NameRevisionLangSubjectDate
en Returned Parts and Warranty Program Procedures
en Service Letter/Bulletin Compliance Record11/7/1966
en Returned Goods (Instruments)2/6/1967
Service Memos
NameRevisionLangSubjectDate
en Installation of Nylon Bearings in Rudder Bellcrank