What was found
ON LEAK CHECK, FOUND THE LT ENGINE FUEL OIL HEAT EXCHANGER LEAKING FUEL. REMOVED AND REPLACED THE HEAT EXCHANGER GASKET IAW AMM 79-21-01, LEAK AND OPS CHECKED NORMAL.
- Difficulty date
- December 30, 2017
- Submitted
- January 2, 2018
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 84,553 hours, 17,957 cycles
- Engine
- Ge CF680C2B6F
- System (JASC)
- 7300 · Engine Fuel and Control
- Part
- Gasket
- Part number
- 9222M31P01
- Part serial
- NSN
- Condition
- Leaking
- Location
- Heat Exchanger
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.