# SDR ASAA2024041549446

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2024
- Submitted: May 7, 2024
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 58,449 hours, 17,555 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 140A987210
- Condition: Corroded
- Location: Bs 967-986 Rbl16
- 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/ASAA2024041549446

## Discrepancy

MAIN CABIN FLOOR SUPPORT INTERCOSTAL STA 967 - STA 986 RBL 16 CORRODED. GROUNDED - YES. CORROSION IS AROUND NUTPLATE HOLE. OUT OF ALLOWABLE LIMITS IAW B737-800 SRM 53-70-51-1A-1. DRILLED TO FIT NEW INTERCOSTAL IAW B737-800 SRM 51-40-05 AND BAC DWG 140A9870 REV- INTERCOSTAL INSTALLED ON N/R 29593 CUSTOMER CARD G1954093.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.