What was found
AT CRUISE, NR 2 ENGINE N1 VARIES BETWEEN 90.5 AND 91.0 EGT AND N2 NOTICEABLE FLUCTUATIONS AS WELL. C/O T/S FOR FRM CODE 730, 381 02 IAW FIM 73-03-00-812-839-J00. R & R HMU IAW AMM 73-21-14/401 LEAK CHECK WAS PERFORMED. NO LEAKS NOTED.
- Difficulty date
- May 23, 2010
- Submitted
- May 26, 2010
- Operation
- Air carrier
- Aircraft
- N577UP
- Make and model
- Boeing 74744AF
- Aircraft serial
- 35666
- Engine
- Ge CF680C2B1F
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Hmu
- Part number
- 442329
- Part serial
- BECK4779
- Condition
- Fluctuates
- Location
- Nr 2 Engine
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.