# SDR SWAA2023020188456

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2023
- Submitted: February 2, 2023
- Operation: Air carrier
- Aircraft: [N8660A](https://openairdocs.org/aircraft/N8660A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36654
- Aircraft time: 27,149 hours, 12,725 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Angle
- Part number: NOTENTERED
- 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/SWAA2023020188456

## Discrepancy

FORWARD CARGO DOOR CUTOUT AFT FRAME HAS CORROSION 1 INCH ABOVE TRANSITION ANGLE F.S. 492.<[01] REMOVED 1EACH FASTENER PER SRM 51-40-02 ; BLENDED CORROSION PER SRM 51-10-02 ; FOUND OUT OF LIMITATION PER SRM 53-30-15-1A-1 .;[02] REMOVED STRAP P/N 143A8206-27 PER SRM 51-40-02;[03] MEASURED REMAINING MATERIAL THICKNESS AND ATTACHED PICTURE;[04] MEASURED REMAINING MATERIAL THICKNESS PER SIP AND ATTACHED PICTURE;[05] UPDATED REMAINING THICKNESS;[06] UPDATED REPAIR TYPE.;[07] INSTALLED 4EA HI-LOKS AT CARGO DOOR CUTOUT AFT DOWN STOP FITTINGS PER <BR>SRM 51-40-02.;[08] RII; INSTALLED 4EA HI-LOKS AT CARGO DOOR CUTOUT AFT DOWN STOP FITTINGS PER<BR>SRM 51-40-02. INSPECTION COMPLIED WITH.;[09] REPAIRED FAIL SAFE STRAP MINOR CORROSION TTG8Q00HHP3N. SEE EA 23-153-00119.;[10] NO WORK PERFORMED ON THIS STEP SEE EA 23-153-00119. AND WIP1-WIP6 FOR ALL WORK PERFORMED.

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