What was found
AT FL370 CABIN ALT WARNING LIGHT CAME ON AND CABIN PRESSURE REACHED 10000 IN AUTO. CARRIED BY ELB FOUND BLEED AIR LINE TO PRECOOLER CONTROL VALVE BROKE. REPLACED LINE REF AMM 36-12-02. PERFORMED ENGINE RUN SYSTEM OPS CHECK GOOD.
- Difficulty date
- July 3, 2023
- Submitted
- July 5, 2023
- Operation
- Air carrier
- Aircraft
- N15712
- Make and model
- Boeing 737724
- Aircraft serial
- 28783
- Aircraft time
- 76,752 hours, 26,781 cycles
- System (JASC)
- 7500 · Engine Bleed Air System
- Part
- Line
- Part number
- UNKNOWN
- Condition
- Broken
- Location
- Bleed Air
- Stage of operation
- CR
- 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.