# SDR ASAA2022082539935

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2022
- Submitted: September 13, 2022
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 57,406 hours, 16,898 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Unknown
- Part number: 147A55067
- Condition: Corroded
- 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/ASAA2022082539935

## Discrepancy

MAIN CABIN AFT FLOOR STRUCTURE WET AREA, FLOOR BEAM FLANGE SURFACE CORROSION NOTED. GROUNDED - YES. REMOVED CORROSION, ORIGINAL THICKNESS 0.150. REMOVED 0.020,REMAINING THICKNESS 0.130. FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. T8224K CAL DUE 10/13/22. REMOVED AND REPLACED TEE CAP SECTION IAW B737-800 SRM 53-70-51-2R-4.TEE CAP SECTION REPLACED WAS FROM PREVIOUS REPAIR.

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