# SDR SWAA2023122926072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2023
- Submitted: December 29, 2023
- Operation: Air carrier
- Aircraft: [N7752B](https://openairdocs.org/aircraft/N7752B), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33943
- Aircraft time: 49,226 hours, 25,511 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Part number: UNKNOWN
- 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/SWAA2023122926072

## Discrepancy

CRACK INDICATION FOUND ON LT HORIZONTAL STABILIZER LOWER SKIN PANEL. LOCATED AT STAB STA 193.90 RIB AND 8 INCH. FROM REAR SPAR. INBOARD SIDE OF RIB. CRACK LENGTH = 1.00 INCH. APPROX. 2023-750170<[01] EQUIPMENT P/N PHASEC 3D; S/N 587435/07; DUE DATE: 15-FEB-24 WAS USED.;[02] TOOL USED EDDY CURRENT FLAW DETECTOR P/N:NORTEC 600D; S/N:210138103; DUE DATE:02-MAY-24.;[03] REPAIRED LT HORIZONTAL STABILIZER LOWER SKIN PANEL. LOCATED AT STAB STA 193.90 IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 AND EA 23-155-03621 WIP1 (TTG8Q00Q8JGE)<BR>EA 23-155-03621 WIP2 (TTG8Q00Q8SEE); EA 23-155-03621 (TTG8Q00QHPVE). SEE INDIVIDUAL SIGN OFF BELOW;[04] REPAIRED LT HORIZONTAL STABILIZER LOWER SKIN PANEL. LOCATED AT STAB STA 193.90 IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 AND EA 23-155-03621 WIP1 (TTG8Q00Q8JGE)<BR>EA 23-155-03621 WIP2 (TTG8Q00Q8SEE); EA 23-155-03621 (TTG8Q00QHPVE). SEE INDIVIDUAL SIGN OFF BELOW<BR>RII

---
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.