# SDR IPXA2026072764713

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2026
- Submitted: July 27, 2026
- Operation: Air carrier
- Aircraft: [N438UP](https://openairdocs.org/aircraft/N438UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25469
- Aircraft time: 31,943 hours, 20,896 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Gusset
- Part number: 148N661478910
- Condition: Corroded
- Location: Zone 300
- 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/IPXA2026072764713

## Discrepancy

AFT HORIZONAL STAB  BS 1885 FWD FACE 311AL SERVICE DOOR TWO LATCH FITTINGS HAD EVIDENCE OF CORROSION.  OUT OF LIMITS.  INSTALLED 4 EA GUSSETS AT LBL 5, 2 EA & RBL 5, 2 EA FOR LATCH FITTING ASSY AT APU LOWER FIREWALL BS 1885.2 IAW 51-40-03-0G-0, PAR 4C, AND DWG 148N8402.

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