# SDR AALA202607072190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2026
- Submitted: July 7, 2026
- Operation: Air carrier
- Aircraft: [N906AN](https://openairdocs.org/aircraft/N906AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29508
- Aircraft time: 71,111 hours, 29,696 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Relay
- Condition: Faulted
- Location: Zone 500 Fuel
- 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/AALA202607072190

## Discrepancy

AIRCRAFT WAS GROUNDED: LEFT CENTER TANK LOW PRESSURE LIGHT ILLUMINATED AND STAYED ON. PERFORMED T/S IAW FIM 28-22-00-810-822. FOUND THREE LIGHTS FLASHING SIMULTANEOUSLY ON UFI. MAINTENANCE REPLACED RELAY R54 IAW WDM 28-23-11. OPS CHECK OF LH CENTER PUMP NORMAL.

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