What was found
LEFT ISOLATION BYPASS VALVE FLAPPER SPRING IS BROKEN. REMOVED AND REPLACED LT ISOLATION BYPASS VALVE IAW AMM 36-11-05-404-009</P>)
- Difficulty date
- August 10, 2017
- Submitted
- August 14, 2017
- Operation
- Air carrier
- Aircraft
- N642GT
- Make and model
- Boeing 7673Y0
- Aircraft serial
- 26207
- Aircraft time
- 78,292 hours, 20,172 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Spring
- Condition
- Failed
- Location
- Flapper Valve
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.