# SDR IPXA2025101448379

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2025
- Submitted: October 20, 2025
- Operation: Air carrier
- Aircraft: [N173UP](https://openairdocs.org/aircraft/N173UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0868
- Aircraft time: 20,435 hours, 12,399 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Part number: A5451506320300
- Condition: Cracked
- Location: Zone 400
- 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/IPXA2025101448379

## Discrepancy

FAULT-STR-Z400- #2 ENG PYLON LOWER SPAR LOWER SURFACE LH/RH ANGLE CRACKED PROJECTION RIB 18. DOT 139-2.  REMOVED 02 EA ANGLE CRAKED AT #2 ENG PYLON LOWER SPAR LOWER SURFACE LH/RH, IAW A300-600 SRM 51-40-21. INSTALLED NEW 01EA ANGLE SECTION LH P/N A5451506320400 BATCH 0003654319, AT #2 ENG PYLON LOWER SPAR PROJECTION RIB 18, IAW A300-600 SRM 51-40 21. INSTALLED NEW ANGLE SECTION RH (01EA), AT #2 ENG PYLON LOWER SPAR PROJECTION RIB 18, IAW SRM 51-40 21.

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