# SDR SWAA2023120823132

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2023
- Submitted: December 8, 2023
- Operation: Air carrier
- Aircraft: [N8556Z](https://openairdocs.org/aircraft/N8556Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63583
- Aircraft time: 19,574 hours, 9,791 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: UNKNOWN
- Condition: Elongated
- 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/SWAA2023120823132

## Discrepancy

FLIGHT DECK FLOOR STRUCTURE AT APPROXIMATE STA 259.5 LBL 20 HAS ELONGATED HOLE.(MARKED)<[01] OVERSIZED HOLE AND INSTALLED 3/16? HILOK FASTENER PER STEP 16 BULLET NOTE #1 OF EA M21-153-00734;[02] GREGORY BAXTER (TECHNICIAN); 27-NOV-2023 15:32 UTC<BR>OVERSIZED HOLE AND INSTALLED 3/16? HILOK FASTENER PER STEP 16 BULLET NOTE #1 OF EA M21-153-00734

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