# SDR SWAA2021072124064

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2020
- Submitted: July 21, 2021
- Operation: Air carrier
- Aircraft: N7725A
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32671
- Aircraft time: 45,756 hours, 22,465 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Horizontal 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/SWAA2021072124064

## Discrepancy

LT HORZ. STA RIB #4 STA 120.30 HAS CRACKED VERTICAL RIB #3 VERIFIED WITH HFEC / REMOVED DAMAGE FROM VERTICAL STIFFENER AND WEB PER SRM 55-10-09-2R-4. PERFORMED HFEC INSP PER NDT MANUAL 51-00-00 PART 6. LOCATED AND DRILLED REPAIR PARTS PER SRM 55-10-09-2R-4. INSTALLED REPAIR PARTS PER SRM 55-10-09-2R-4.

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