# SDR SWAA2021020141250

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2021
- Submitted: February 1, 2021
- Operation: Air carrier
- Aircraft: [N8610A](https://openairdocs.org/aircraft/N8610A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36635
- Aircraft time: 27,927 hours, 12,263 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 146A750231
- Condition: Corroded
- Location: Fuselage
- 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/SWAA2021020141250

## Discrepancy

AFT PIT STA 727C TO 727J+6; LBL21; Z-ANGLE HAS 21 SPOTS OF CORROSION MOSTLY ADJACENT TO FASTENER HOLES; MRK'D IN RED. WL 158.  REMOVED CORROSION AT AFT PIT STA 727C TO 727J+6' Z ANGLE IAW B 737 SRM 51-10-02-0G-0 ITEM 15 ORIGINAL 'T' .040 REMAINING .029 LOSS .011 FOUND TO BE OUT OF LIMITS IAW B 737 SRM 53-00-53-1A-2 FIG 103.  FABRICATED REPAIR SECTION AND SPLICE FROM BETWEEN STA 787-807 TO 727C - 727D LBL 21 AND INSTALLED IAW B 737 SRM 53-00-53-2R-5 REPAIR 5 ITEM 4 A-N PN 146A7502-31.

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