# SDR SWAA2023100303647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2023
- Submitted: October 3, 2023
- Operation: Air carrier
- Aircraft: [N8550Q](https://openairdocs.org/aircraft/N8550Q), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63579
- Aircraft time: 19,170 hours, 9,590 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Scuff Plate
- Part number: UNKNOWN
- Condition: Damaged
- Location: Zn 200 Fus Top
- 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/SWAA2023100303647

## Discrepancy

(POSTDOCK TEST - CABIN PRESSURE LEAKAGE) AFT ENTRY DOOR FWD CORNER THRESHOLD SCUFF PLATE HAS EXCESSIVE PRESSURIZATION LEAK. LEAK COMING OUT OF EXPANSION SLOTS WITH STOP DRILL HOLES (2EA).<[01] R&R DOOR SCUFF PLATE;[02] R&R SCUFF PLATE PER AMM 53-11-01;[03] VERIFIED SCUFF PLATE RE-INSTALLED AND SEALED REF. C/A #2.;[04] REMOVED AND REINSTALLED AFT ENTRY DOOR SCUFF PLATE AND LEAK CHECKED IAW AMM 53-11-01 AND AMM 05-51-91. LEAK CHECK GOOD;[05] INSPECTION COMPLETE ON CORRECTIVE ACTION #4 FOR SATISFACTORY LEAK . SEE CORRECTIVE ACTION 1-3 FOR ALL OTHER MAINTENANCE.

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