# SDR ASAA2026092869487

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2026
- Submitted: November 5, 2026
- Operation: Air carrier
- Aircraft: [N483AS](https://openairdocs.org/aircraft/N483AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36350
- Aircraft time: 41,122 hours, 12,694 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 146A750231
- 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/ASAA2026092869487

## Discrepancy

AFT CARGO LH TRANSITION FROM STA 727 TO STA 847 CORRODED. GROUNDED - YES. UPON FURTHER INVESTIGATION FOUND L/H TRANSITION STA 807 TO SA 847 NO CORROSION, L/H TRANSITION FROM STA 727 TO STA 816 REPAIRED IAW B737-900ER SRM 53-00-53-2R-5 W= 1, O= 0.040. R= 0, L= 2.00, D= 0.040.

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