# SDR SWAA2023081676995

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2023
- Submitted: August 16, 2023
- Operation: Air carrier
- Aircraft: [N8600F](https://openairdocs.org/aircraft/N8600F), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 39882
- Aircraft time: 38,436 hours, 17,543 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/SWAA2023081676995

## Discrepancy

CORROSION @ FWD CARGO COMPARTMENT L/H SIDE FLOOR SUPPORT Z CHANNEL FROM STA 500F TO STA 500I S-26L MKD DOT<[01] REMOVED CORROSION AT FWD CARGO COMPARTMENT L/H SIDE FLOOR SUPPORT Z CHANNEL FROM STA 500F TO STA 500I PER SRM 51-10-02-0G-0<BR>EVALUATED REWORKED AREA ORIG MATERIAL:0.040' MATERIAL REMIANING:0.030' MATERIAL REMOVED:0.010 FOUND OUT OF LIMITS PER SRM 53-00-53-1A-2<BR>REMOVED OUT OF LIMITS LH Z-CHANNEL SECTION FROM STA 500F-500I PER SRM 51-40-02-0G-0<BR>LOCATED AND DRILLED NEW Z CHANNEL SECTION STA STA 500F-500I PER SRM 51-40-05-0G-0 (MATERIAL USED : BAC1496-444 7075 T62)<BR>TREATED AND PRIMED NEW Z-CHANNEL SECTION PER AMM 51-21-41-370-803 AND AMM 51-21-72-370-804<BR>INSTALLED FWD CARGO COMPARTMENT L/H SIDE FLOOR SUPPORT Z CHANNEL SECTION FROM STA 500F TO STA 500I PER SRM 51-40-02-0G-0 AND DWG#143A7501;[02] VERIFIED STEP 1;[03] VERIFIED STEP 1

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