# SDR SWAA2023062048253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2023
- Submitted: June 20, 2023
- Operation: Air carrier
- Aircraft: [N429WN](https://openairdocs.org/aircraft/N429WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33658
- Aircraft time: 66,602 hours, 39,316 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Stringer Clip
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023062048253

## Discrepancy

CORROSION ON CLIP AT ACB BS807 LBL7 WL154.<[01] EVALUATED CORROSION DAMAGE ON CLIP AT ACB BS 807; LBL7 WL 154 FOUND TO BE OUT OF LIMITS DUE NOT LIMITS IN SRM PARTS WILL BE REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0;[02] REMOVED CLIP AT ACB BS 807 LBL7 WL 154 IAW SRM 51-40-02-0G-0;[03] FABRICATED A CLIP AT ACB BS807 LBL7 WL154 FROM BAC1490-2815#7075T62 CLAD LOT#1455934-1. TREATED IAW SRM 51-40-05 AND IAW DWG#146A1320. OK TO PRIME;[04] VERIFIED CORRECTIVE ACTION ITEMS 1; 2; 3.<BR>OKAY TO PRIME NEW CLIP GIVEN.;[05] APPLIED TWO LAYERS OF BMS 10-11; TYPE I PRIMER TO THE SURFACE OF NEW CLIP AT ACB BS 807 LBL7 WL 154 REFER TO SOPM 20-41-02.;[06] OK TO INSTALL;[07] VERIFIED CORRECTIVE ACTION 5 AND 6 OK TO INSTALL;[08] INSTALLED CLIP AT ACB BS807 LBL7 IAW SRM 51-40-02 AND IAW DWG#146A7810;[09] VERIFIED MEASUREMENT TABLE;[10] VERIFIED CORRECTIVE ACTION 8

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