# SDR SWAA2021111526533

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2021
- Submitted: November 15, 2021
- Operation: Air carrier
- Aircraft: N788SA
- Make and model: Boeing 737*
- Aircraft serial: 30603
- Aircraft time: 68,361 hours, 40,407 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Gusset
- Condition: Cracked
- Location: R/H Wing
- 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/SWAA2021111526533

## Discrepancy

RIGHT WING; UPPER T/E PANEL BETWEEN #7 AND 8 SPOILERS; LOWER SURFACE CENTER GUSSET IS CRACKED AT TRANSVERSE WEB ATTACH POINT ; / [01] REMOVED CRACKED R/W T/E UPPER PANEL CENTER SUPPORT GUSSET PER AMM 20-00-00 AND SRM 51-10-02-0G-0 STEP 9. LOCATED AND DRILLED NEW GUSSET PER SRM 51-40-05-0G-0 TABLE 3. REMOVED AND INSTALLED SEAL RETAINER ONTO NEW GUSSET PER SRM 51-40-02-0G-0 STEP 4. B.; C.; & E. AND VERIFIED FASTENER CALLOUT PER AIPC 57-50-00-25 ITEM 35. PAINTED NEW GUSSET PER AMM 51-21-99-300-801 STEP 2. E. (6). INSTALLED NEW GUSSET ON TRAILING EDGE PER AMM 20-50-11. CALIBRATED TOOL USED:<BR>CALID: PER1189 SN: 04155309 DUE: 07/2022; [02] VERIFIED CORRECTIVE ACTION ITEM 1.; [03] UPDATED MEASUREMENTS.; [04] VERIFIED ALL STEPS COMPLETE.

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