# SDR SWAA2023052642496

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2023
- Submitted: May 26, 2023
- Operation: Air carrier
- Aircraft: [N7860A](https://openairdocs.org/aircraft/N7860A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 29362
- Aircraft time: 49,661 hours, 34,220 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Rib
- Condition: Cracked
- Location: Zn 300 Stabilize
- 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/SWAA2023052642496

## Discrepancy

CRACK ON INSPAR RIB LOCATED AT STAB STA 120.30 AND 1 INCH FROM FRONT SPAR AT UPPER CHORD FLANGE RT HORIZONTAL STABILIZER. 2023-282721<[01] TOOL USED PN:NORTEC 600D;SN:210138503; DUE DATE:19-MAY-23;[02] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 01-FEB-24.;[03] PERFORMED REPAIR ON FRONT SPAR UPPER CHORD FLANGE OF INSPAR RIB LOCATED AT STAB STA 120.30 RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5; EA 23-155-01469-WIP1 AND EA 23-155-01469<BR>SEE INDIVIDUAL SIGNS-OFF BELOW;[04] TASK CARD COMPLETE AND CERTIFIED AS RII. <BR><BR><BR>SEE INDIVIDUAL SIGNOFFS BELOW.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.