# SDR MASA20260406042

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N87318](https://openairdocs.org/aircraft/N87318), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000443
- Aircraft time: 24,603 hours, 14,795 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Sill
- Part number: 17065639003
- Condition: Corroded
- Location: Zone 200
- Part time: 24,603 hours, 14,795 cycles
- 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/MASA20260406042

## Discrepancy

CF III, AFT SERVICE DOOR (R2) SUROUNDING STRUCTURE, LOWER BEAM, AREA UNDER AFT EVAC SLIDE FITTING HOUSING BET. FR86 - FR87 FOUND CORRODED.   CFIII R2 DOOR CUTOUT LOWER SILL BEAM FR86. FR87 WAS REMOVED BY BLEND OUT IAW SRM 51-10-03 AND FOUND WITHIN LIMITS IAW SRM 53-23-11AD03. MAT MAX REMOVED 0.005" L:0.125" W:0.100" RELATED TO YQG-NRC#4502579-2000-0318

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