# SDR SWAA2022071117496

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2022
- Submitted: July 11, 2022
- Operation: Air carrier
- Aircraft: [N257WN](https://openairdocs.org/aircraft/N257WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32515
- Aircraft time: 53,067 hours, 31,572 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: L/H Horiz. Stab.
- 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/SWAA2022071117496

## Discrepancy

CRACK ON FRONT SPAR LOWER AREA OF INSPAR RIB STAB STA 129.50 AT LT HORIZONTAL STABILIZER 2022-307381 / [01] TOOL USED: ULTRASONIC THICKNESS GAGE; P/N:38DL PLUS; S/N:120398603; CAL DUE DATE: 18-OCT-22;[02] REPAIRED IAW EA# 22-155-01950; AND EA# 22-155-01950-WIP1<BR>SEE INDIVIDUAL SIGN OFF BELOW.;[03] TASK CARD COMPLETE AND CERTIFIED AS RII. <BR><BR><BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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