- Difficulty date
- July 3, 2020
- Submitted
- July 7, 2020
- Operation
- Air carrier
- Make and model
- Boeing 7673Y0
- Aircraft serial
- 26207
- Aircraft time
- 80,438 hours, 22,006 cycles
- Part
- Valve
- Part number
- 4200352
- Part serial
- 222
- Condition
- Malfunctioned
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD EQUIP VAL EICAS MESSAGE AFTER ENGINE START. REPEAT WRITE-UP. SEE LOGBOOK PAGE 1279386. REMOVED AND REPLACED THE MANIFOLD INTERCONNECT VALVE V90 IAW AMM 21-58-01. OPS CHECKS GOOD. PERFORMED ENGINE RUNS IAW AMM 71-00-00. OPS CHECKS GOOD. NO DEFECTS NOTED.