# SDR ASAA2025082660611

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2025
- Submitted: September 9, 2025
- Operation: Air carrier
- Aircraft: [N525AS](https://openairdocs.org/aircraft/N525AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35692
- Aircraft time: 52,686 hours, 18,965 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 143A7501187
- 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/ASAA2025082660611

## Discrepancy

FWD PIT L/H TRANSITION HAS MULTIPLE AREAS OF CORROSION FROM STA 500C TO 500I. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 REPAIRED OUT OF LIMITS SECTION OF SIDE PLATE IAW SRM 53-00-53-2R-6 AND RESTORED FINISH TO IN LIMITS AREA IAW SRM 53-00-53-1A-2W:2 O:.040 R:.033 L:6 D:.007.

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