# SDR CALA2026082618925

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2026
- Submitted: August 26, 2026
- Operation: Air carrier
- Aircraft: [N45440](https://openairdocs.org/aircraft/N45440), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33535
- Aircraft time: 53,189 hours, 19,051 cycles
- Engine: Cfmint CFM567B262
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Module
- Part number: 233A32025
- Part serial: 3199
- Condition: Faulted
- Location: Fuel Flow
- Part time: 53,174 hours, 19,044 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026082618925

## Discrepancy

RECEIVED BOTH FWD & AFT LOW PRESSURE FUEL LIGHTS ON NR 1 ENGINE MAIN TANK, DURING CLIMB.  IAW FLT CREW,  FUEL FLOW INDICATIONS WERE NORMAL ON BOTH ENGINES. PERFORMED INITIAL TROUBLESHOOTING OF NR 1 FUEL FWD & AFT ENG FUEL FEED PUMP FUNCTIONAL TEST IAW AMM 28-22-00-730-801, OPS CKS NORMAL. MASTER CAUTION LIGHTS ILLUMINATED NORMALLY WHEN CHECKING NR 1 & 2 FWD & AFT FUEL PUMP SWITCHES,  LOW-PRESSURE LIGHTS. REPLACED OVERHEAD FUEL SYS MODULE IN COCKPIT IAW AMM 28-22-43. OP CHKD GOOD.

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