# SDR SWAA2025012381182

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2024
- Submitted: January 23, 2025
- Operation: Air carrier
- Aircraft: [N7855A](https://openairdocs.org/aircraft/N7855A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 29357
- Aircraft time: 58,892 hours, 38,173 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin Panel
- Condition: Cracked
- Location: Zone 300
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025012381182

## Discrepancy

CRACK INDICATION FOUND ON RT HORIZONTAL STABILIZER LOWER SKIN PANEL. LOCATED AT STAB STA 193.9 RIB AND 16 INCH. FROM FRONT SPAR. INBOARD SIDE OF RIB. CRACK LENGTH = 0.960 INCH. APPROX. 2024-766340<[01] EQUIPMENT P/N PHASEC 3D; S/N 800YBRK; DUE DATE 16-JUL-25 WAS USED ON STEP 5 AND STEP 6;[02] PERFORMED REPAIR CAT B LOCATED ON RT HORIZONTAL STABILIZER LOWER SKIN PANEL. BTW STAB STA 184.70 RIB TO STAB STA 203.10 RIB AND 16 INCH. FROM FRONT SPAR IAW B737-700 SRM 55-10-01-2R-11<BR>SEE INDIVIDUAL SIGN OFF BELOW;[03] PERFORMED REPAIR CAT B LOCATED ON RT HORIZONTAL STABILIZER LOWER SKIN PANEL. BTW STAB STA 184.70 RIB TO STAB STA 203.10 RIB AND 16 INCH. FROM FRONT SPAR IAW B737-700 SRM 55-10-01-2R-11<BR>RII ITEM<BR>SEE INDIVIDUAL SIGN OFF BELOW

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