# SDR ASAA2025082060786

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2025
- Submitted: September 11, 2025
- Operation: Air carrier
- Aircraft: [N523AS](https://openairdocs.org/aircraft/N523AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35194
- Aircraft time: 53,012 hours, 19,125 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A7502
- 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/ASAA2025082060786

## Discrepancy

AFT CARGO LH TRANSITION PANEL HAS SEVERAL AREAS OF CORROSION FROM STA 727 TO STA 767. GROUNDED - YES. REMOVED AND REPLACED AFT CARGO LH TRANSITION FROM STA 727 TO STA 767 IAW B737-800 SRM 53-00-53-2R-5W: 2" O: .040" R: 0 L: 20" D: .040".

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