# SDR ASAA2026091969387

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2026
- Submitted: October 20, 2026
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 62,825 hours, 18,965 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Part number: 143A9485Y35
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026091969387

## Discrepancy

FWD CARGO AFT LOWER BULKHEAD SUPPORT STA 500I LBL 24 TO RBL 24 CORRODED. GROUNDED - YES. REMOVED DAMAGE ON AFT BULKHEAD SUPPORT FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-30-08-1A-1, REMOVED AND REPLACED IAW B737-800 SRM 51-40-02-0G-0 W: 1" O: 0.071" R: 0.022" L: 2" D: 0.049".

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