SDR ASAA20181227557

Service difficulty report · Probe · Boeing 737890

Difficulty date: December 24, 2018
Submitted: December 27, 2018
Operation: Air carrier
Aircraft: N532AS
Make and model: Boeing 737890
Aircraft serial: 36346
Aircraft time: 33,309 hours, 9,919 cycles
System (JASC): 2840 · Fuel Indicating System
Part: Probe
Part number: 2020001030104020
Condition: No Test
Location: Nr 2 Main Tank
Stage of operation: CL
How discovered: O
Nature of condition: P
Precautionary procedure: O

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

What was found

RT FUEL QUANTITY INDICATOR BLANKED ON CLIMB OUT FUEL QUANTITY INDICATION RETURNED AT 16000 DESCENDING. GROUNDED - YES. PER TSR 702580 CHECKED THE RIGHT TANK FQIS SYSTEM IAW B737-800 AMM 28-41-21-710-801. FOUND TANK UNITS F6, F9, F10 OUT OF LIMITS. REPLACED #2 TANK PROBES F6, F9, F10 PER B737-800 AMM 28-41-21/401. ALL TANK UNITS NOW WITHIN LIMITS PER AMM 28-41-21-710-801. LEAK CHECKS GOOD. FQIS OP-CHECKS GOOD PER AMM 28-41-21/401. ETOPS GROUND VERIFICATION SUCCESSFUL.