# SDR SWAA2021090706333

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2021
- Submitted: September 7, 2021
- Operation: Air carrier
- Aircraft: N755SA
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27871
- Aircraft time: 74,723 hours, 44,099 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Bs 727d
- 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/SWAA2021090706333

## Discrepancy

CORROSION ON CLIP AT AFT CARGO BAY BS727D+4 LBL7 WL151. ; / [01] EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [03] REMOVED ACB CLIP AT BS727+4; LBL7; WL151 PER SRM 51-40-02-0G-0; [04] FABRICATED NEW CLIP AT AFT CARGO BAY727D+4; LBL7; WL151; LOCATED AND DRILLED IAW DWG 146A7730 SH1 REV B AND SRM 51-40-05; [05] APPLIED CHEMICAL CONVERSION IAW AMM 51-21--41-370-801 AND APPLIED PRIMER IAW AMM 51-21-72-370-804; [06] OK TO INSTALL; [07] VERIFIED STEPS 4; 5 AND 6; [08] VERIFIED CORRECTIVE ACTION STEPS 4-6 OK TO INSTALL; [09] INSTALLED CLIP AT AFT CARGO BAY BS 727D+4 LBL 7 WL 151 IAW SR. 51-40-02 AND DWG 146A7730 AND 146A7734; [10] VERIFIED CORRECTIVE ACTION 9.<BR><BR>CLIP INSTALLED.; [11] CLIP AT ACB BS727D+4; LBL7; WL151 REPLACED. <BR><BR>NO FURTHER ACTIONS REQUIRED.

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