# SDR SWAA2023020789028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2023
- Submitted: February 7, 2023
- Operation: Air carrier
- Aircraft: [N209WN](https://openairdocs.org/aircraft/N209WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32484
- Aircraft time: 59,684 hours, 35,490 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Part number: NOTREPORTED
- Part serial: NOTREPORTED
- 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/SWAA2023020789028

## Discrepancy

CORROSION ON FWD CARGO BAY DOOR CUTOUT AFT SHIELD FROM STA 480+14 TO STA 500+18; RBL 24; WL 156.<[01] THIS PART DOES NOT HAVE ALLOWABLE DAMAGE LIMITS. IT HAS TO BE REPAIRED BY REPLACEMENT PER SRM 51-10-02-0G. STEP 9.;[02] VERIFIED STEP 1;[03] SHIELD ASSY. RECEIVED. P/N 143A8126-31; P/O NUMBER 901564/1.<BR> LOCATED AND DRILLED BTW. BS 492.4 - BS 500A RBL 24 WL156 IAW SRM 51-40-05 AND DWG# 143A0080.<BR>REMOVAL AND INSTALLATION IS ACCOMPLISHED ON CUSTOMER CARD # TTG8Q004GCTG.;[04] VERIFIED CORRECTIVE ACTION #3;[05] THIS PART WILL BE INSTALLED ON TTG8Q004GCTG.;[06] VERIFIED;[07] MEASUREMENT TABLE VERIFIED

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