# SDR SWAA2023110307373

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2023
- Submitted: November 3, 2023
- Operation: Air carrier
- Aircraft: [N8552Z](https://openairdocs.org/aircraft/N8552Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63580
- Aircraft time: 19,555 hours, 9,780 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: UNKNOWN
- 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/SWAA2023110307373

## Discrepancy

AFT CARGO L/H TRANSITION ANGLE HAS CORROSION STA 747-767<[01] REMOVED CORROSION ON L/H TRANSITION ANGLE AT STA.747-767 PER SRM 51-10-02. FOUND TO BE OUT OF ALLOWABLE LIMITS PER SRM 53-00-53-1A-2.;[02] REMOVED DAMAGED SECTION FROM LBL-21 STA. 727J+10 THRU 787+8 PER SRM 53-00-53-1A-2.;[03] DRILLED NEW TRANSITION ANGLE AND REPAIR PARTS STA 727J+10 THRU 787+8; AND TREATED AND PRIMED REPAIR PARTS PER SRM 53-00-53-2R-5;[04] C/W INSP. DRILLED NEW TRANSITION ANGLE AND REPAIR PARTS STA 727J+10 THRU 787+8; AND TREATED AND PRIMED REPAIR PARTS PER SRM 53-00-53-2R-5;[11] ADDED RII LABOR ROW TO COMPLY WITH MEASUREMENT ITEM #1 REQUIREMENTS.;[12] REMOVED AND REPLACED L/H TRANSITION ANGLE FROM STA.727J+10 TO STA.787+8 PER SRM 53-00-53-2R-5 AND COMPLETED PUSH TEST OF NUTPLATES PER SRM 51-40-10-2R-0.;[13] RII< COMPLIED WITH INSPECTION; REMOVED AND REPLACED L/H TRANSITION ANGLE FROM STA.727J+10 TO STA.787+8 PER SRM 53-00-53-2R-5 AND COMPLETED PUSH TEST OF NUTPLATES PER SRM 51-40-10-2R-0.

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