| 68-20-1 |
Rockwell |
Inspect and/or replace horiz stabilizer support fitting | NA-265-40,-60 |
| 68-19-5 |
Cessna |
If 6A-335-B Franklin eng, place placard "Utility Category Use Prohibited" |
| 68-19-4 |
Hartzell |
Revised 11/69 | shot peen blades each 1000 hours |
| 68-18-2 |
Cessna |
Replace oil pressure line | 177 (SN 661 & 17700001 thru 17701164) |
| 68-17-6 |
Beech |
Modify master brake cylinder | 23, A23, A23A, A23-19, A23-24 |
| 68-17-4 |
Cessna |
Revised 9/68 | test stall warning system | 150, 172, 177, 180, 185 |
| 68-16-1 |
BAe |
Placard "Anti-Icing System" | all DH-125 |
| 68-14-1 |
Beech |
Placard "Autopilot OFF when deicer system ON" | D55,56TC,E95 |
| 68-13-3 |
Piper |
Revised 3/69 | inspect fuel system each 40 hours or install kits | PA-24 |
| 68-13-2 |
Hartzell |
400-hour inspect, shot peen blade shank | S-35,V35,-A;35-C33A,E33A |
| 68-13-1 |
Piper |
Inspect & reroute wiring | models PA-31 & PA-31-300 |
| 68-12-5 |
Rockwell |
Modify rudder control arms | models 100,-A; 10,-A (SN 001 thru 250) |
| 68-12-4 |
Piper |
Rework with some new parts main retraction assembly | PA-28R-180 |
| 68-12-2 |
Bellanca |
Superseded by 68-23-8 |
| 68-10-9 |
Beech |
Superseded by 75-16-10 |
| 68-10-7 |
Beech |
Superseded by 75-5-3 |
| 68-10-3 |
McCauley |
Remove & inspect prop hub with 1200 hours, then each 300 hours |
| 68-10-1 |
Falcon |
Inspect before each flight for fuel leak in Janitrol heater | all Fan Jet |
| 68-1-3 |
Piper |
Revised 5/68 | modify float structure | PA-32 seaplanes |
| 67-9-4 |
Schweizer |
Modify control stick lock | G164 & G164A (SN 1 thru 450) |
