# SDR ASAA2025011355909

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2025
- Submitted: February 12, 2025
- Operation: Air carrier
- Aircraft: [N514AS](https://openairdocs.org/aircraft/N514AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35193
- Aircraft time: 56,288 hours, 16,721 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A571017
- Condition: Corroded
- Location: Zone 200
- 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/ASAA2025011355909

## Discrepancy

R/N AFT CABIN AT STA 1016 FLOOR SUPPORT ANGLE UPPER SURFACE HAS CORROSION  GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02. 100% MATERIAL LOSS. OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REMOVED FLOOR SUPPORT IAW B737-800 SRM 51-40-02. LOCATED, DRILLED, AND COUNTERSUNK NEW SUPPORT IAW B737-800 SRM 51-40-05, 51-40-06, 51-40-08 AND BAC DWG 147A5700 REV-. INSTALLED NEW FLOOR SUPPORT IAW B737-800 SRM 51-40-02 BAC DWG 147A5700 REV-

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