Service difficulty report · Transmitter · Boeing 737890

Difficulty date
July 2, 2012
Submitted
August 6, 2012
Operation
Air carrier
Aircraft
N593AS
Make and model
Boeing 737890
Aircraft serial
35107
Aircraft time
16,951 hours, 5,387 cycles
Engine
Cfmint CFM567B27
Part
Transmitter
Part number
1853M48P03
Part serial
FEC17081
Condition
Malfunctioned
Location
Nr 2 Fuel Flow
Part time
16,951 hours, 5,387 cycles
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

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

What was found

NR 2 ENGINE TREND DATA SHOWS A SUDDEN SHIFT IN CRUISE DELTA FUEL FLOW. INDICATION ERRORS ARE SUSPECT. ACFT GROUNDED. R & R NR 2 FUEL FLOW TRANSMITTER IAW AMM 73-31-01, OPS CHECKED GOOD WITH IDLE ENGINE RUN AND EEC TEST IAW AMM REF 71-00-00-700-801-F00 AND 71-00-00-700-808-F00.