# SDR SWAA2021100817756

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2021
- Submitted: October 8, 2021
- Operation: Air carrier
- Aircraft: [N906WN](https://openairdocs.org/aircraft/N906WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36887
- Aircraft time: 45,396 hours, 26,500 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- 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/SWAA2021100817756

## Discrepancy

CRACK INDICATION ON STABILIZER LOWER SKIN AT STAB STA 193.90 ;7' FROM AFT SPAR ;I/B OF DRAIN HOLE.CRACK LENGTH :0.984'. ; / [20] REINSTALLED PANEL# 331BZ AT L/H HORIZONTAL STAB FRONT SPAR REF B737-700 SRM 51-40-02-0G-0; [21] VERIFIED PANEL 331BZ INSTALLATION; [22] WEIGH OF REPAIR PARTS & FASTENERS : 4.250 LBS. TOOL USED : ID# 161060; DUE DATE: 01-JUL.-22.; [23] 'DAMAGE REPAIRED PER EA 21-155-02769 WITH REPETITIVE INSPECTION PROGRAM DEFINED IN 21-155-02769-INSP.' <BR><BR>ENSURE THE 'EA-COMPONENT' REPAIR REFERENCE IS SELECTED; [24] SUMMARY EA 21-155-02769 WAS ISSUED; [25] VERIFIED STEP 22-24; [26] VERIFIED STEP 22-24

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