# SDR SWAA2022071417506

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2022
- Submitted: July 14, 2022
- Operation: Air carrier
- Aircraft: [N488WN](https://openairdocs.org/aircraft/N488WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33853
- Aircraft time: 59,468 hours, 35,169 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- 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/SWAA2022071417506

## Discrepancy

SLAT #8 CRACKED ON LOWER L/E SKIN AT ACTUATOR RIB O/B 2ND FROM L/E FASTENER HOLE. / [01] NDI HFEC VERIFY CRACK ON #8 SLAT LOWER SKIN AT ACTUATOR FITTING IAW SRM 51-10-02-0G-2; STEP 5.C.;[10] FABRICATED REPAIR PARTS (1) DOUBLER 7075 T6 CLAD 0.071' LOT# 1478276-1 AND (2) FILLER 7075 T6 CLAD 0.063' LOT# 1375297-3; APPLIED CHEMICAL CONVERSION COATING IAW SRM 57-42-01-2R-8 OK TO PRIME.;[11] VERIFIED CORRECTIVE ACTION 10. OK TO PRIME;[12] PRIMED REPAIR PARTS AND COMMON AREA; INSTALLED COUNTERSINK REPAIR WASHERS IAW SRM 57-42-01-2R-8 OK TO INSTALL REPAIR PARTS.;[13] VERIFIED CORRECTIVE ACTION 12. OK TO INSTALL REPAIR;[14] INSTALLED REPAIR PARTS AT #8 SLAT LOWER SKIN AT ACTUATOR RIB IAW SRM 57-42-01-2R-8;

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