SDR ASAA2017011419372

Service difficulty report · Compensator · Boeing 737890

Difficulty date: January 14, 2017
Submitted: January 18, 2017
Operation: Air carrier
Aircraft: N570AS
Make and model: Boeing 737890
Aircraft serial: 35185
Aircraft time: 37,816 hours, 11,211 cycles
System (JASC): 2840 · Fuel Indicating System
Part: Compensator
Part number: 2020201
Part serial: 6847
Condition: Failed
Location: Fuel Tank
Part time: 37,816 hours, 11,211 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

WHILE ACCOMPLISHING TASK CARD NG 28FCD-18088-1 ON THE NR 1 MAIN TANK, FOUND THE COMPENSATOR PROBE (66.69PF),TU 1(65.80PF), TU 3(41.92PF) TU 6(38.80PF), TU 8 (38.36PF), TU 9 (34.14PF) AND TU 10 (42.21PF) OUT OF LIMITS PER AMM 28-41-21-710-801. GROUNDED - YES. REPLACED ALL PROBE AND COMPENSATOR, SYSTEM TEST FUEL QTY INDICATING SYSTEM GOOD REF AMM 28-41-00-730-801.