# SDR SWAA2020090209592

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2020
- Submitted: September 2, 2020
- Operation: Air carrier
- Aircraft: [N8648A](https://openairdocs.org/aircraft/N8648A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42531
- Aircraft time: 21,266 hours, 9,375 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Bs 500a-500i
- 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/SWAA2020090209592

## Discrepancy

FWD PIT RIGHT Z ANGLE UPPER SURFACE CORRODED IN SEVERAL AREAS FROM STA 500A TO 500I RBL 24 AND WL 155.  REMOVED CORROSION & EVALUATED ON FWD PIT RT Z ANGLE STA 500A - 500I RBL 24 WL 155 AS OUT OF LIMITS IAW SRM 51-10-02-0G-0 & SRM 53-00-00-53-1A-2.  REMOVED OUT OF LIMITS Z ANGLE SECTION FROM STA 500B+12' - 500I. VERIFIED NEW Z-ANGLE AS PN BAC1446-444 7075 T62 ATAG #A57840 IAW SRM 53-00-53-2R-5.  LOCATED & DRILLED REPAIR PARTS IAW SRM 53-00-53-2R-5 STEPS 4 (D TO H). TREATED AND PRIMED IAW SRM 53-00-53-2R-5.  INSTALLED Z-ANGLE; SPLICE; AND REPAIR PARTS.  SPLICE LOCATED AT STA 500B+12' IAW SRM 53-00-53-2R-5.  APPLIED CIC IAW SRM 53-00-53-2R-5 P/N 143A7501-188

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.