# SDR ASAA2025022456350

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2025
- Submitted: March 4, 2025
- Operation: Air carrier
- Aircraft: [N478AS](https://openairdocs.org/aircraft/N478AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44105
- Aircraft time: 33,436 hours, 10,416 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Part number: 141A5810729
- Condition: Cracked
- 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/ASAA2025022456350

## Discrepancy

FWD WET AREA FLOOP PANEL 141A5810-729 CORNER TAB IS BROKEN & LOWER SURFACE IS DAMAGED. GROUNDED - YES. REPAIRED BROKEN CORNER TAB USING A PERMANENT WET LAY UP REPAIR. REPAIRED DAMAGED LOWER SURFACE USING A PERMANENT REPAIR WITH POTTING COMPOUND AND WET LAY UP REPAIR. REMOVED 6EA INSERTS FOM AND REINSTALLED NEW INSERTS AFTER REPAIRS WERE COMPLETED IAW B737-900ER SRM 53-00-50-2R-1, B737-900ER SRM 53-00-50-2R-5, B737-900ER SRM 53-00-50-2R-0.

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