# SDR DALA2025120208797

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2025
- Submitted: December 2, 2025
- Operation: Air carrier
- Aircraft: [N727TW](https://openairdocs.org/aircraft/N727TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 30340
- Aircraft time: 88,886 hours, 21,824 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- 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/DALA2025120208797

## Discrepancy

CORROSION ON THE ALC FLOOR SUPPORT AT BS 1470, RBL8.   BLENDED AND CHECKED LIMITS ON ALC FLOOR SUPPORT AT BS 1470 RBL 8 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-1 DETAIL V. REPAIRED IAW SRM 53-00-53-2R PROCEDURE 1. (1330748)

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