# SDR CALA2021120602260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N33103](https://openairdocs.org/aircraft/N33103), 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: 27293
- Aircraft time: 105,409 hours, 22,611 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Floor Mat
- Part number: NA
- Condition: Corroded
- Location: Sta 1681 Lbl 10-
- 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/CALA2021120602260

## Discrepancy

TRANSCRIBED FROM HAECO GSO TASK CARD 9286698--SUPPORT TASK CBN F LOOR SHEAR WEB CORRODED BS 1681 BL LBL-0 REMOVED CORROSION IAW B757-2 SRM 53-60-51 AT STA 1681 LBL 10-55 REPAIR III.  REF HAECO GSO MECH V933620 INSP QC418 ORIGINAL MATERIAL THICKNESS .156, REMOVED MATERIAL IS 0, 100% MA TRIAL LOSS OUT OF LIMITS IAW B757-2 SRM 53-60-51. FABRICATED AND INSTALLED REPAIR IAW UAL ECRA 5365-01092 AND SRM 53-60-51

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