# SDR ASAA2025050658579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2025
- Submitted: June 10, 2025
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 55,484 hours, 16,491 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Part number: 146A812712
- 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/ASAA2025050658579

## Discrepancy

AFT CARGO DOOR CUTOUT LOWER SILL FWD SIDE PLATE HAS CORROSION IN MULTIPLE LOCATIONS. GROUNDED - YES. AFT CARGO DOOR FWD SHIELD HAD CORROSION THAT WAS FOUND TO BE BEYOND ALLOWABLE DAMAGE IAW B737-800 SRM 53-60-15-1A-1. REMOVED AND REPLACED WITH NEW SHIELD IAW SRM 51-40-02-0G-0.W= 2" O= .050" R= .041" L= 3" D= .009".

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