# SDR CALA2025022400429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2025
- Submitted: February 24, 2025
- Operation: Air carrier
- Aircraft: [N2341U](https://openairdocs.org/aircraft/N2341U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 63721
- Aircraft time: 33,567 hours, 3,584 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Spar
- Part number: 111W22022
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025022400429

## Discrepancy

SUPPORT TASK - EA 5711-01165 REV C OP 008 (1EA) CRACK FOUND AT LH CENTER TANK FRONT SPAR LOWER CHORD AT STA 103.  WING CENTER TANK FRONT SPAR LOWER CHORD MODIFICATION AT BOTH LH AND RH BS.1035 AS PER EA 5711-01165 REV OP 016.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.