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RV12 N7944A OPEN Bulletin Log
All Bulletions
Vans Service Bulletins		 Note: this aircraft is built EAB and has a Jabiru 3000 120hp Power Plant.
 The bulletins that are for the Rotax engine do not apply.
The Jabiru notices will be listed in the engine log.
Builder Note: All service bulletins have been inspected as the aircraft was built and will be checked as required.
SB-00053
Tailcone Skin Clips		 OPEN
Date
Date  
Required Action: Inspect lower tailcone skin for cracks and install new tailcone stiffener clips Time of Compliance: Within 100 hours or at the next 12-month inspection, whichever occurs first
SB_16-05-23B
Nose Fork		 OPEN
Date 08/10/22
Date  
Inspect before further flight, then at 25-hour intervals, and replace at the next annual or 100-hour inspection
SB 19-08-26
Nose gear replacement		 OPEN
Date
Date  
Required Action: Replace WD-1201 with WD-1201-1-RTR Nose Gear Time of Compliance: At or before the next annual condition inspection

An RV-12 training aircraft with more than 1700 hours of accumulated flight time recently experienced a nose gear fatigue failure. This is the only reported instance; no other fatigue-related nose gear failures have been reported.
SB 18-02-03
Anti - Servo Tab Cracks

Start on..... 00/00/00

Finished..00/00/00

 OPEN
Date
Date  
Required Action: Inspect for cracks in the area around the aft rivet in both side flanges of the F-1206F Bearing Bracket Brace. See Figure 1. The presence of cracks requires the modifications described in this document. If no cracks are present, make a log book entry indicating compliance with this service bulletin and date of next inspection
SB-16-05-23
Nose Fork Inspection		 OPEN
Date
Date  
A damaged nose fork was returned to Van's Aircraft for review. Upon inspection, the nose fork was discovered to have had a manufacturing defect. Parts at Van's Aircraft were also inspected and some were found to have a similar defect  ( will check on preflight )
SB 14-12-06
F-1206F Bearing Cracks		 OPEN
Date
Date  
Inspect for cracks in the area around the aft rivet in both side flanges of the F-1206F Bearing Bracket Brace. See Figure 1. The presence of cracks requires the modifications described in this document. If no cracks are present, make a log book entry indicating compliance with this service bulletin and date of next inspection (if applicable).
SB 13-12-12
Sealing Avionics Bay		 Open
Date
Date  
Avoid flight in precipitation prior to complying with this bulletin.  Without seal, water may infiltrate structure between mating surfaces of F-1240 Upper Forward Fuselage Skin and F-1201H Upper Fwd. Fuss
SB 10-12-14
Possible cracks on WD-1230		 Superseded
SB-16-05-23		 A damaged nose fork was returned to Van's Aircraft for review. Upon inspection, the nose fork was discovered to have had a manufacturing defect. Parts at Van's Aircraft were also inspected and Some were found to have a similar defect
     
RV-12 Safety Directives and Alerts
SD-00001 Open
Date
Date  
Inspect the trim motor shaft for straightness before further flight. Replace if bent or if trim unit time in service exceeds 1000 flight hours.