# SDR SWAA2023020188457

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2023
- Submitted: February 2, 2023
- Operation: Air carrier
- Aircraft: [N8660A](https://openairdocs.org/aircraft/N8660A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36654
- Aircraft time: 27,149 hours, 12,725 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Panel
- Part number: NOTENTERED
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023020188457

## Discrepancy

FORWARD CARGO DOOR THRESHOLD PANEL HAS CORROSION.<[01] BLENDED CORROSION AT FWD CARGO DOOR THRESHOLD WEB PER SRM 51-10-02. MEASURE BLENDED AREA OUT OF LIMITS PER SRM 53-30-15-1A-1 FIGURE 103; DETAIL D.<BR>REMOVED DAMAGED WEB PER SRM 51-40-02.;[02] REMOVED WEB AND MATCH DRILLED REPLACEMENT PER SRM 51-40-02;[03] VERIFIED CORRECTIVE ACTION #2;[04] COUNTERSUNKED HOLES PER SRM 51-40-08 ; INSTALLED NUT PLATES PER SRM 51-40-10 .;[05] PICTURE ADDED; REPAIR TYPE CORRECTED.;[06] REMOVED AND REPLACED PART PER SRM 51-40-02; AND SRM 53-30-15 .

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