# SDR ASAA2026021964784

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2026
- Submitted: March 10, 2026
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 36,408 hours, 11,334 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 147A511620
- 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/ASAA2026021964784

## Discrepancy

RH WEB STA 987-1006 RBL 26-46 HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION IAW B737-900 SRM 51-10-02-0G-0. ORIGINAL THICKNESS .080 IAW BAC DWG #147A5116 REV- REMAINING THICKNESS IS .050 TOOL #T8224B DUE 03DEC26. .030 MAT LOSS. REMOVED AND REPLACED WEB 147A5116U20 PO#1141845.7 IAW B737-900 SRM 51-40-02 REF DWG #147A5701 REV-.

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