What was found
ANTI-ROTATION SLOTS ARE WORN AWAY ON VALVE SHAFT CAUSING SHAFT TO ROTATE AND SHAFT SHOULDER TO WEAR EXCESSIVELY. REF: OHM 36-12-06, PAGE 606, FIGURE 603.
- Difficulty date
- July 25, 1996
- Submitted
- March 26, 2000
- Operation
- General aviation
- Filed by
- SI3R842L
Hamilton Sundstrand World Wide Repair - Make and model
- Boeing 747*
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve Shaft
- Part number
- 797839
- Condition
- Worn
- Location
- Press Ck Vlv
- Component
- Hamstd · 77385618
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.