# SDR SWAA2022102016124

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2022
- Submitted: October 20, 2022
- Operation: Air carrier
- Aircraft: [N224WN](https://openairdocs.org/aircraft/N224WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32493
- Aircraft time: 56,537 hours, 33,806 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Web
- Part number: 144A772118
- 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/SWAA2022102016124

## Discrepancy

R/H PRESSURE WEB SUPPORT CLIP AT STA 663 RBL 63 WL 202 HAS AREA OF CORROSION / [01] REMOVED CORROSION IAW SRM 51-10-02-0G-0; EVALUATED MATERIAL LOSS - ORIGINAL THICKNESS .063'; LOSS .007; REMINING .056'.<BR>TOOL# AAR29270 CAL DUE 12/09/22.;[02] NO ALLOWABLE MATERIAL LOSS LIMITS. RECEIVED -18 RETAINER ON BACKSHOP W/O #44141-0000-0005.;[03] VERIFIED PART FROM BACK SHOP;[04] TRIMMED; LOCATED AND DRILLED -18 RETAINER IAW B737 SRM 51-40-05-0G-0.;[05] VERIFIED STEP 4<BR>OK TO TREAT AND PRIME;[06] TREATED AND PRIMED -18 RETAINER IAW B737 AMM 51-21-41-370-801; AND 51-21-72-370-804. PLACED PART ON PARTS RACK.;[07] VERIFIED STEP 6<BR>AUDIT CW

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