# SDR ASAA2022071344390

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2022
- Submitted: August 4, 2023
- Operation: Air carrier
- Aircraft: [N588AS](https://openairdocs.org/aircraft/N588AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35685
- Aircraft time: 55,430 hours, 16,491 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 140A98724
- Part serial: NSN
- Condition: Corroded
- Location: Cabin
- 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/ASAA2022071344390

## Discrepancy

MAIN CABIN FLOOR SUPPORT BRACKET HAS CORROSION IN MANY FASTENER HOLES BETWEEN STA 986.5 TO 967.MARKED IN RED. GROUNDED - YES. REMOVED CORROSION ORG THICK 0.80. REMAINING THICK 0.060. REMOVED 0.020 OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1 & DRILLLED TO FIT NEW FLOOR SUPPORT IAW B737-800 51-40-05 & BAC DWG 140A99870 REV-. PART INSTALLED ON G1817380.

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