# SDR SWAA2024050272569

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2024
- Submitted: May 2, 2024
- Operation: Air carrier
- Aircraft: [N8685B](https://openairdocs.org/aircraft/N8685B), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36723
- Aircraft time: 26,629 hours, 13,050 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- 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/SWAA2024050272569

## Discrepancy

AFT CARGO SIDE PLATE CHANNEL AT LBL 21; STA 747-767 HAS VARIOUS AREAS OF SURFACE CORROSION VISIBLE. (MARKED)<[01] REMOVED SURFACE CORROSION ON AFT CARGO L/H SIDE PLATE CHANNEL PER SRM 51-10-02; FOUND TO BE WITHIN ALLOWABLE LIMITS PER SRM 53-00-53-1A-2. MATERIAL REMOVED .002 AND REMAINING THICKNESS .038.;[02] CORRECTION LINE 1. REMOVED SURFACE CORROSION ON AFT CARGO L/H SIDE PLATE CHANNEL AT LBL 21; STA 747-767 PER SRM 51-10-02; FOUND TO BE WITHIN ALLOWABLE LIMITS PER SRM 53-00-53-1A-2. MATERIAL REMOVED 0.002 AND REMAINING THICKNESS 0.038.;[03] 01 - REMOVED AND REPLACED PER [SRM 51-10-02-0G-0-B00070 (GENERAL - INSPECTION AND REMOVAL OF DAMAGE - AIRFRAME - PERMANENT)]<BR>REMOVED AND REPLACED L/H TRANSITION ANGLE FROM STA 727H TO STA 800 WORK ACCOMPLISHED ON CARD # TTG8Q00SRNB5.;[04] VERIFIED WORK ACCOMPLISHED ON ACCOMPLISHED ON CARD # TTG8Q00SRNB5.

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