# SDR CALA2023030300611

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2023
- Submitted: March 3, 2023
- Operation: Air carrier
- Aircraft: [N13110](https://openairdocs.org/aircraft/N13110), registered now
- Make and model: Boeing 757-200 SERIES
- Registry model: [Boeing 757-200 SERIES](https://openairdocs.org/model/boeing-757-200-series) (OpenAirDocs)
- Aircraft serial: 27300
- Aircraft time: 104,248 hours, 24,942 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Beam
- Part number: 146N51421
- Condition: Corroded
- Location: Sta 1681
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023030300611

## Discrepancy

(SUPPORT TASK) STA 1681 FLOORBEAM CORRODED ON LOWER SURFACE OF UPPER FWD FLANGE AT APPROX. RBL 55.  TRANSCRIBED FROM HAECO GSO N R 9284205. REMOVED/BLENDED CORROSION FROM FLOORBEAM. FOUND TO BE OUT OF LIM ITS PER B757-200 SRM 53-00-51 DETAIL III. REPAIRED FLOORBEAM IAW ECRA 5360-01690.  HAECO GSO MECH V935255 INSP QC401

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