# SDR ASAA2026031965486

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2026
- Submitted: April 16, 2026
- Operation: Air carrier
- Aircraft: [N532AS](https://openairdocs.org/aircraft/N532AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36346
- Aircraft time: 55,677 hours, 16,882 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 140A9872U4
- Condition: Corroded
- Location: Zone 200
- 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/ASAA2026031965486

## Discrepancy

AFT WET AREA STA 967-987 RBL-16 INTERCOSTAL CORRODED ON UPPER FLANGE. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REMOVED AND REPLACED INTERCOSTAL IAW B737-800 SRM 51-40-02-0G-0. W= 1.5" O= .075 R= 0.65 L= 3.0" D= .010.

---
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.