- Difficulty date
- July 9, 2022
- Submitted
- July 11, 2022
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60580
- Aircraft time
- 27,114 hours, 8,381 cycles
- Engine
- Cfmint CFM567B27E
- Part
- Exchanger
- Part number
- 453328039
- Part serial
- YB045499
- Condition
- Defective
- Location
- #2 Engine
- Part time
- 27,114 hours, 8,381 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENG MAIN OIL/FUEL HEAT EXCHANGER FAILED RUN ON TORQUE CHECK FOR FUEL TUBE ATTACH BOLTS. GROUNDED - YES. REMOVED MAIN OIL/FUEL HEAT EXCHANGER REF ASA T/C N8473002 INSTALLED MAIN OIL/FUEL HEAT EXCHANGER REF ASA T/C N8473003 ETOPS GROUND VERIFICATION SUCCESSFUL.