Service difficulty report · Heat Exchanger · Boeing 737890
FAA SDR system
- Difficulty date
- August 15, 2020
- Submitted
- August 17, 2020
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35184
- Aircraft time
- 49,735 hours, 15,043 cycles
- Engine
- Cfmint CFM567B27
- Part
- Heat Exchanger
- Part number
- 453328039
- Part serial
- YY083785
- Condition
- Broken
- Location
- Nr 2 Engine Oil
- Part time
- 41,446 hours, 12,992 cycles
- Stage of operation
- IN
- How discovered
- 9
- 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
OIL FUEL HEAT EXCHANGER ON NR 2 ENGINE HELICOILS BROKEN FUEL IN. GROUNDED - YES. REMOVED NR 2 ENGINE MAIN OIL/FUEL HEAT EXCHANGER, REF B737-800 AMM 79-21-02-000-801-F00. INSTALLED SERVICEABLE MAIN OIL/FUEL HEAT EXCHANGER, REF BOEING B737-800 AMM 79-21-02-400-F00. ACCOMPLISHED TEST 3A, REF B737-800 AMM 71-00-00-800-811-F00. NO LEAKS NOTED.