Service difficulty report · Mec · Boeing 737524

Difficulty date
April 19, 2011
Submitted
April 19, 2011
Operation
Air carrier
Aircraft
N14645
Make and model
Boeing 737524
Aircraft serial
28906
Aircraft time
35,500 hours, 18,812 cycles
Engine
Cfmint CFM563C1
Part
Mec
Part number
8063214
Part serial
2961
Condition
Faulty
Location
Nr 2 Engine
Part time
38,847 hours, 20,264 cycles
Stage of operation
TO
How discovered
O
Nature of condition
R
Precautionary procedure
C

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

REJECTED TAKEOFF AT 85 KTS DUE TO THE NR 2 N1 GAUGE BEING VERY SLOW TO REACT AND NOT READING ABOVE 60 PERCENT N1. THE NR 2 THROTTLE WAS ALSO SLOW TO REACT BUT DID MATCH THE N1 THROTTLE. REF. N/R 4484876, 4457301 FOR CORRECTIVE ACTION. REMOVED AND REPLACED MEC NR 2 ENGINE PER AMM 73-21-01. VBV AND VSV FEEDBACK CABLE TESTS CHECK GOOD. SEE N/R 4484876 FOR LEAK AND OPS CHECK.