# SDR ASAA2026022364443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2026
- Submitted: February 23, 2026
- Operation: Air carrier
- Aircraft: [N251AK](https://openairdocs.org/aircraft/N251AK), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 62470
- Aircraft time: 34,790 hours, 11,280 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Angle
- Part number: 143A948534
- Condition: Corroded
- 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/ASAA2026022364443

## Discrepancy

FWD CARGO AFT BULKHEAD BS 500L RT SIDEWALL SUPPORT ANGLE CORRODED AT RBL 25.  GROUNDED - YES.  REMOVED CORROSION AND CHECKED LIMIT.  FOUND TO BE OUT OF LIMITS IAW SRM 53-30-08.  BLEND OUT EXCEEDED MINIMUM OF .056 SPECIFIED IAW SRM 53-30-08, FIG 103, DETAIL C, VIEW A-A.  R & R RT BULKHEAD SUPPORT ANGLE IAW DWG 143A9485, REV-, & SRM 51-40-02. REMOVED AND REINSTALLED R/H SIDEWALL PANEL IAW AMM 25-52-06-400-801.

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