What was found
EVIDENCE OF LOUD PNEUMATIC LEAK COMING FROM #1 ENGINE EXHAUST. INSPECTD AND FOUND PNEUMATIC LEAK COMING FROM #1 ENG PRE-COOLER. NEEDS PRECOOLER. PN 2341992-1 APPROX 5-6 INCH CRACK IN #1 ENGINE PRECOOLER.
- Difficulty date
- June 24, 2023
- Submitted
- June 26, 2023
- Operation
- Air carrier
- Aircraft
- N27015
- Make and model
- Boeing 777224
- Aircraft serial
- 28678
- Aircraft time
- 107,136 hours, 10,955 cycles
- System (JASC)
- 3600 · Pneumatic System
- Part
- Precooler
- Part number
- 23419921
- Part serial
- 0375
- Condition
- Cracked
- Location
- #1 Eng..
- Part time
- 57,906 hours, 6,228 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.