SDR ASAA2016112018765

Service difficulty report · Compensator · Boeing 737890

Difficulty date: November 20, 2016
Submitted: November 22, 2016
Operation: Air carrier
Aircraft: N565AS
Make and model: Boeing 737890
Aircraft serial: 35181
Aircraft time: 38,090 hours, 11,571 cycles
System (JASC): 2840 · Fuel Indicating System
Part: Compensator
Part number: 2020201
Part serial: 6613
Condition: Out Of Limits
Location: Nr 2 Fuel Tank
Part time: 38,098 hours, 11,575 cycles
Stage of operation: IN
How discovered: 9
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

WHILE ACCOMPLISHING TSR818110, FOUND RT NR 2 FUEL TANK UNITS F1, F2, F3, F9, F10, AND COMPENSATOR PROBE F15 EMPTY CAPACITANCE TO BE OUT OF LIMITS, IAW AMM 24-41-21-710-801. ACFT GROUNDED. REPLACED THE COMPENSATOR PROBE F15, AND T/U F1, 9, AND 10, IAW AMM 28-41-21. REMOVED AND REPLACED TANK UNITS 2 & 3) IAW AMM 28-41-21, ALL TEST PASS. TANK UNIT CAPACITANCE = 397.7, COMPENSATOR CAPACITANCE = 57.94.