# SDR CALA2021112302169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2021
- Submitted: November 24, 2021
- Operation: Air carrier
- Aircraft: [N837UA](https://openairdocs.org/aircraft/N837UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1474
- Aircraft time: 60,778 hours, 26,551 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Floorbeam
- Part number: NA
- Part serial: NA
- Condition: Corroded
- Location: Y254 Fr16/Fr20
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021112302169

## Discrepancy

FWD CABIN FLOOR BEAM -Y254 BETWEEN FR16/FR20 HAS CORROSION REMOVED CORROSION AT FLOOR BEAM -Y254 BETWEEN FR16/FR20 IAW SRM 0002586573 IAW SRM 51-42-11/001 SFR# 1026990. EMP: V935977 WC: 0 51-74-00, MEASURED FLOOR BEAM ORIGINAL T. 0.087" REAMING TO 0.37 018101 STA: ST ENGINEERING BFM " D: 0.050" L= 0.550" W: 0.260" FOUND OUT OF LIMITS IAW SRM 53-1 1-14-283-007, INSTALLED NEW FLOOR BEAM PN D5311146020201 BATCH#

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