# SDR SWAA2023080974520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2023
- Submitted: August 9, 2023
- Operation: Air carrier
- Aircraft: [N965WN](https://openairdocs.org/aircraft/N965WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36677
- Aircraft time: 38,362 hours, 23,630 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 200 Fus Top
- 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/SWAA2023080974520

## Discrepancy

CORROSION ON AFT SHIELD AT BS 500-500A RBL 25 WL 156<[01] ENTERED MEASUREMENTS;[02] SRM 53-00-53-1A-2 IS APPLICABLE FOR THIS DAMAGE EVALUATION.<BR>NO ALLOWABLE DAMAGE FOUND IN 737-700 SRM FOR THIS PART.<BR>REPAIR BY REPLACEMENT SRM 51-10-02-0G-0 STEP 9;[03] VERIFIED CORRECTIVE ACTION STEP 2;[04] VERIFIED MEASUREMENT TABLE;[05] DRILLED AND LOCATED AND INSTALLED A-NUTS ON REPLACEMENT PART. IAW DWG 143A0080 ID0041; SRM 51-40-05; SRM 51-40-06; SRM 51-40-08; SRM 51-40-02.;[06] REQUEST OK TO INSTALL NEW SHIELD.;[07] VERIFIED CORRECTIVE ACTION #5.<BR>VERIFIED OK TO INSTALL NEW SHIELD.;[08] INSTALLED NEW SHIELD AT FCB BETWEEN BS 492 TO 500A ;RBL 25 ; WL 156 IAW SRM 51-40-02 AND DWG:143A0080; ID: 0041 ;REV:-;[09] VERIFIED CORRECTIVE ACTION #8.

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