# SDR SWAA2023092192081

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2023
- Submitted: September 21, 2023
- Operation: Air carrier
- Aircraft: [N7826B](https://openairdocs.org/aircraft/N7826B), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 30035
- Aircraft time: 56,002 hours, 37,056 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- 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/SWAA2023092192081

## Discrepancy

CORROSION ON FORWARD CARGO BAY DOOR CUT-OUT SUB-THRESHOLD WEB FROM STA 440+11 TO 460+10; RBL 28 TO 30; WL 156.<[01] VERIFIED APLICABILITY SRM 53-30-53-0I-2 FOR IDENTIFICATION<BR>AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE;[02] VERIFIED PARTIAL UPDATES FOR STEPS 3 AND 4.;[03] VERIFIED MEASUREMENT TABLE.;[04] VERIFIED STEP 5.;[05] REMOVED AND REPLACE ON FORWARD CARGO BAY DOOR CUT-OUT SUB-THRESHOLD WEB BETWEEN BS 440 - BS.492.4 RBL 28. WL 156 IAW SRM 51-10-02 PARG.9. C.;[06] REJECTED: SEVERAL BLIND RIVETS STEM NEGATIVE PROTRUSION EXCEEDS '-0.020 INCH' LIMITS PER SRM 51-40-02 FIG 9. GENERATED TTG8Q00N6K4E;[07] TASK COMPLETE

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