Service difficulty report · Compensator · Boeing 737823

Difficulty date
August 3, 2019
Submitted
August 27, 2019
Operation
Air carrier
Aircraft
N825NN
Make and model
Boeing 737823
Aircraft serial
31087
Aircraft time
29,847 hours, 11,949 cycles
Part
Compensator
Condition
Unreliable
Location
Fuel Cell
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.

What was found

AIRCRAFT WAS GROUNDED: PILOT REPORTS WING FUEL QUANTITIES DECREASED WHILE FEEDING FROM CENTER. ALL PUMPS ON. CROSSFEED CLOSED. GROUND: LT 8.5 C 15.2 RT 8.5. TOP OF CLIMB: LT 8.39 C 9.95 RT 7.90. AT CENTER TANK EMPTY: LT 8.09 C 0.00 RT 7.75. . MAINTENANCE REMOVED AND REPLACED RH AND LH WING ALL FUEL TANK PROBES AND BOTH COMPENSATORS IAW AMM 28-41-21. ACCOMPLISHED OPS AND FUEL QUANTITY CHECK IAW AMM 28-41-00. OPS CHECKS NORMAL, NO LEAKS NOTED. (SEE SDR # AALA201908069004)