What was found
EICAS BLEED 4 ON TAKE OFF ROLL. DURING INSPECTION OF HPSOV, FOUND TERMINAL NR 1 ON HPSOV BROKEN. SPLICED NEW TERMINAL IAW SWPM SECTION 20-30. OPS CHECK & IDLE RUN GOOD IAW AMM 36-11-05/501 AND 71-00-00.
- Difficulty date
- September 7, 2026
- Submitted
- September 9, 2026
- Operation
- Air carrier
- Aircraft
- N498MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29259
- Aircraft time
- 108,849 hours, 17,542 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Condition
- Broken
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.