# SDR ASAA2023043043274

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2023
- Submitted: May 22, 2023
- Operation: Air carrier
- Aircraft: [N537AS](https://openairdocs.org/aircraft/N537AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35204
- Aircraft time: 41,376 hours, 11,986 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 147A566022
- Condition: Corroded
- 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/ASAA2023043043274

## Discrepancy

SIDE WEB AT R2 DOOR FORWARD CORRODED STATION 945. GROUNDED - YES. REMOVED CORROSION FROM INTERCOSTAL WEB. ORIGINAL THICKNESS 0.150, REMAIINING THICKNESS 0.110, REMOVED 0.040. OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A. REMOVED DAMAGED INTERCOSTAL IAW B737-800 SRM 51-40-05 AND BAC DWG 147A5650 REV A. INSTALLED NEW INTERCOSTAL 51-40-02 AND BAC DWG 147A5650 REV A.

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