# SDR SWAA2023121528433

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2023
- Submitted: December 15, 2023
- Operation: Air carrier
- Aircraft: N7722B
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32668
- Aircraft time: 55,418 hours, 28,473 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- 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/SWAA2023121528433

## Discrepancy

RH HORIZONTAL STABILIZER L/E PANEL RIB #4 CRACK.<[01] REMOVED RIB ASSY NO.4; REPLACED DAMAGED RIB CHORD AND RE-INSTALLED RIB ASSY ON RT HORIZ. STABILIZER LE PANEL AS PER B737-700 SRM 51-40-02-0G-0.;[02] VERIFIED STEP 1.

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