# SDR ASAA2021090136068

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2021
- Submitted: September 27, 2021
- Operation: Air carrier
- Aircraft: [N615AS](https://openairdocs.org/aircraft/N615AS), registered now
- Make and model: Boeing 737790
- Aircraft serial: 30344
- Aircraft time: 66,542 hours, 33,502 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Floorbeam
- Part number: 147A55067
- Condition: Corroded
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021090136068

## Discrepancy

STA 986 FLOOR BEAM HAS MULTIPLE SPOTS OF CORROSION. GROUNDED - YES. REMOVED AND REPLACED STA 986 FLOOR BEAM UPPER CHORD IAW BOEING 737-700 SRM 53-70-51-2R-4W=2.00 O=.150 R=0 L=6.00 D=.150.

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