SDR CALA2026021213745

Service difficulty report · Probe · Boeing 737924

Difficulty date: February 12, 2026
Submitted: February 12, 2026
Operation: Air carrier
Aircraft: N30401
Make and model: Boeing 737924
Aircraft serial: 30118
Aircraft time: 66,817 hours, 28,119 cycles
Engine: Cfmint CFM567B262
System (JASC): 2841 · Fuel Quantity Indicator
Part: Probe
Part number: 202000208
Part serial: 1860
Condition: Faulty
Location: Zone 100 Fuel
Part time: 66,812 hours, 28,116 cycles
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

FUEL IMBALANCE ON TANK 1 DECREASING RAPIDLY. PERFORMED NR 1 TANK FQIS DRY RESISTANCE AND CAPACITANCE CHECK IAW AMM 28-41-21-710-801, FOUND F15, F1, F2, F3, F4, F5, F6 FQIS TANK UNITS OUT OF LIMITS. R & R NR 1 FQIS TANK UNITS OUT OF LIMITS F15, F1, F2, F3, F4, F5, F6 IAW AMM 28-41-21-000/400-801. PERFORMED FQIS BITE TEST: PASS, NO FAULTS NOTED REF AMM 28-41-21.