# SDR SWAA2024122771918

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2024
- Submitted: December 27, 2024
- Operation: Air carrier
- Aircraft: [N8512U](https://openairdocs.org/aircraft/N8512U), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 38816
- Aircraft time: 26,682 hours, 13,283 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Zone 200
- 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/SWAA2024122771918

## Discrepancy

FWD ENTRY DOOR THRESHOLD L-ANGLE VERTICAL LEG AT STA 312 LBL 52 HAS CORROSION.(MARKED)<[01] BLENDED AREA OF CORROSION ON FWD ENTRY DOOR THRESHOLD L-ANGLE VERTICAL LEG AT STA 312 LBL 52; BLEND FOUND TO BE OUT OF LIMITS ALL IAW SRM 53-10-15-1A-1.;[02] REMOVED; LOCATED AND DRILLED REPLACEMENT FWD ENTRY DOOR THRESHOLD L-ANGLE AT STA 312 LBL 52; AND OK TO INSTALL ANGLE ALL IAW SRM 51-40-02.;[03] VERIFIED WORK PERFORMED IN CORRECTIVE ACTION #3; OK TO INSTALL.;[04] VERIFIED WORK PERFORMED IN CORRECTIVE ACTION #2; OK TO INSTALL.;[05] INSTALLED NEW REPLACEMENT FWD ENTRY DOOR THRESHOLD L-ANGLE PER SRM 51-40-02.;[06] VERIFIED CA#5 INSTALLED NEW REPLACEMENT FWD ENTRY DOOR THRESHOLD L-ANGLE PER SRM 51-40-02;[07] VERIFIED CA#5 INSTALLED NEW REPLACEMENT FWD ENTRY DOOR THRESHOLD L-ANGLE PER SRM 51-40-02

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