# SDR ASAA2017122723118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2017
- Submitted: January 11, 2018
- Operation: Air carrier
- Aircraft: [N556AS](https://openairdocs.org/aircraft/N556AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35175
- Aircraft time: 42,732 hours, 14,402 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A566021
- Condition: Corroded
- Location: Bs 927-947
- 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/ASAA2017122723118

## Discrepancy

FLOOR SUPPORT BETWEEN BS 927 TO 947,  LBL 54 FOUND CORRODED AT MULTIPLE AREAS.  ACFT GROUNDED.  REMOVED THE CORROSION AND FOUND TO BE OUT OF LIMITS,  LOCATED, AND DRILLED A NEW FLOOR SUPPORT IAW SRM 51-40-05, AND 53-70-51-1A-1.

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