# SDR SWAA2024041762959

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2024
- Submitted: April 17, 2024
- Operation: Air carrier
- Aircraft: [N8568Z](https://openairdocs.org/aircraft/N8568Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 64248
- Aircraft time: 19,712 hours, 9,988 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: UNKNOWN
- Condition: Corroded
- Location: Aft Cargo
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024041762959

## Discrepancy

AFT CARGO DOOR CUTOUT LOWER THRESHOLD WEB HAS CORROSION.<[01] REMOVED CORROSION PER SRM 53-60-15-1A-1 (0.042' REMAINING THICKNESS). THRESHOLD WEB IS OUT OF LIMITS PER SRM 53-60-15-1A-1.;[02] REMOVED AFT CARGO THRESHOLD WEB IAW SRM 51-40-02.;[03] DRILLED UP AND COUNTERSUNK NEW WEB IAW SRM 51-40-05 AND SRM 51-40-08.;[04] RII. VERIFIED DRILLED UP AND COUNTERSUNK NEW WEB IAW SRM 51-40-05 AND SRM 51-40-08.;[05] INSTALLED FASTENERS ON NUT PLATE IAW SRM 51-40-02.<BR>NEED OK TO INSTALL.;[06] C/W INSPECTION OF C/A #5 ONLY;[07] OK TO INSTALL;[08] INSTALLED NEW THRESHOLD WEB IAW SRM 51-40-02.;[09] C/W INSPECTION OF C/A #8 ONLY;[10] C/W INSPECTION;[11] C/W INSPECTION

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