# SDR SWAA2023031303269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N289CT](https://openairdocs.org/aircraft/N289CT), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36633
- Aircraft time: 50,940 hours, 30,659 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- 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/SWAA2023031303269

## Discrepancy

AFT CARGO BAY - SIDEWALL SUPPORT HAS CORROSION AT RBL 21.5 BS 767+2; BS 767+3.5 BS 767+7.5 BS 767+11; BS 767+15; BS 767+19.<[01] VERIFIED APPLICABILITY OF SRM 51-10-02 STEP#9.;[02] THIS PART DOES NOT HAVE ALLOWABLE DAMAGE LIMITS;IT HAS TO BE REPAIRED BY REPLACEMENT PER SRM 51-10-02 STEP#9.;[03] VERIFIED CORRECTIVE ACTION STEPS 1 AND 2.;[04] RECEIVED NEW PART (FORWARD SHIELD) WITH P/N 146A8127-12 LOT. 1518989-1.<BR>LOCATED AND DRILLED FWD SHIELD IAW SRM 51-40-05 AND DWG#146A0081<BR> THE INSTALLATION WILL BE ACCOMPLISHED WITH THE CUSTOMER CARD #TTG8Q004G46G STEP#35.;[05] VERIFIED CORRECTIVE ACTION 4 AND MEASUREMENT TABLE

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