# SDR ASAA2026062567139

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2026
- Submitted: July 7, 2026
- Operation: Air carrier
- Aircraft: [N548AS](https://openairdocs.org/aircraft/N548AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 30020
- Aircraft time: 67,664 hours, 24,523 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 146A9403142
- Condition: Corroded
- Location: Zone 100
- 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/ASAA2026062567139

## Discrepancy

DURING GVI TO INSTALL PANELS AT WASTE TANK ENCLOSURE, FOUND INTERCOSTAL TO HAVE CORROSION. GROUNDED - YES. FAB NEW INTERCOSTAL & REMOVED & REPLACE INTERCOSTAL IAW DWG 146A9403ID0056 & SRM 51-40-02-0G-0W= 3" O= .050" R= .020" L= 3" D= 0.030".

---
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.