Service difficulty report · Compensator · Boeing 737890

Difficulty date
November 25, 2016
Submitted
November 28, 2016
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
33,940 hours, 10,403 cycles
Part
Compensator
Part number
2020202
Part serial
6677
Condition
Failed
Location
Fuel Tank
Part time
18,261 hours, 5,317 cycles
Stage of operation
IN
How discovered
C
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

NR 1 MAIN TANK FUEL QUANTITY FAILS SYSTEM TEST REF AMM TASK 28-41-00-730-801. GROUNDED - YES. PERFORMED TANK AND COMPENSATOR TEST REF AMM TASK 28-41-21-710-801. COMP BAD AT 60.62 PICOFARADS AND F1 TANK UNIT BAD AT 64.79 PICOFARADS. INITIATED MIG-2C S/N 40-0005961 FOR INSPECTION REQUIREMENTS POWER ACTIVATION AND LEAK CHECKS REF THIS DOCUMENT AND W/C 78528000 TANK ENTRY PERMIT. REMOVED AND REPLACED COMPENSATOR AND F1 TANK UNIT REF AMM 28-41-21. SYSTEM TST FQIS PASSED AND NO FAULTS REF AMM 28-41-02.