# SDR 2018FA0000426

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2018
- Submitted: October 19, 2018
- Operation: General aviation
- Aircraft: [N301SR](https://openairdocs.org/aircraft/N301SR), registered now
- Make and model: Boeing 737
- Aircraft serial: 38854
- Aircraft time: 540 hours, 167 cycles
- System (JASC): [2810 · Fuel Storage](https://openairdocs.org/jasc/2810)
- Part: Cuff
- Condition: Damaged
- Location: Fuel Tank
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2018FA0000426

## Discrepancy

THE FOLLOWING FINDINGS WERE RAISED: - WO 4000 JOB CARD NR. 0010 “FWD AUX TANK GROUP FUEL LEAK”: FUEL CELL NR 4A P/N 42410-409 S/N 0906– UPPER CABIN AIR TUBE CUFF P/N 200-5-487-22 FOUND DAMAGED ALLOWING FUEL TO ENTER THE DRY BAY. - WO 4001 JOB CARD NR. 0009 “AFT AUX TANK GROUP FUEL LEAK”: FUEL CELL NR 5 FILL AND VENT/TRANSFER LINE FITTINGS– FOUND FILL LINE INNER END FITTING NOT SECURED. THE MAINTENANCE HISTORY OF THE SUBJECT AIRCRAFT WAS CHECKED: PREVIOUS PROJECT NO. DID NOT INVOLVE ANY RELEVANT WORK AFFECTING THE SUBJECT INSTALLATION. THE FAILURE IS EXTERNAL.

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