# SDR SWAA2025082293965

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2025
- Submitted: August 22, 2025
- Operation: Air carrier
- Aircraft: [N8699A](https://openairdocs.org/aircraft/N8699A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36923
- Aircraft time: 29,624 hours, 14,712 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Attach Angle
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025082293965

## Discrepancy

BS 663 VAPOR BARRIER ATTACH ANGLE CRACKED ON INBOARD SIDE OF FLEX JOINT @ RBL 9 AND SUSPECTED CRACK AT RBL 34<[01] ACCOMPLISHED HFEC SURFACE INSPECTION OF RBL 34' VERIFIED AREA IS CRACKED. PER NDT PART 6 51-00-00 PROC. 23;[02] REMOVED RIVETS @ R/H 663 ATTACH ANGLE COMMON TO THE BULKHEAD PER SRM 51-40-02.;[03] REMOVED VERTICALLY INSTALLED HI LOKS COMMON TO STA 663 VAPOR BARRIER ANGLE BETWEEN RBL 9 AND RBL 34.;[04] REMOVED CRACKED L ANGLE R/H A/C BAY AFT WALL STA 663.;[05] MATCH DRILLED NEW R/H L ANGLE @ 663 PER SRM 51-30-01.;[06] VERIFIED MATCH DRILLED NEW R/H L ANGLE @ 663 PER SRM 51-30-01 IN STEP 5.;[07] REJECT: CORRECTIVE ACTION #3 AND #4 MISSING THE WORK REFERENCE AS REQUIRED PER MPM 51.3.1.<BR><BR>REJECT: CORRECTIVE ACTION #3 AND #4 REQUIRE INSPECTION BUYBACK PER MPM CHAPTER 10.;[08] REMOVED VERTICALLY INSTALLED HI LOKS COMMON TO STA 663 VAPOR BARRIER ANGLE BETWEEN RBL 9 AND RBL 34. PER SRM 51-40-02;[19] REPLACED R/H BS 663 VAPOR BARRIER ATTACH ANGLE PER SRM 51-40-02 & DWG 111A1000.;

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