# SDR DALA2026073104437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2026
- Submitted: July 31, 2026
- Operation: Air carrier
- Aircraft: [N138DU](https://openairdocs.org/aircraft/N138DU), registered now
- Make and model: Airbus BD-500-1A10
- Registry model: [Airbus BD-500-1A10](https://openairdocs.org/model/airbus-canada-ltd-ptnrsp-bd-500-1a10) (OpenAirDocs)
- Aircraft serial: 50057
- Aircraft time: 10,866 hours, 5,114 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Pressure Blkhd
- Condition: Corroded
- Location: Zone 200
- 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/DALA2026073104437

## Discrepancy

CORROSION IN FASTENER HOLE OF FITTING FWD OF THE PRESSURE BULKHEAD. RIGHT HAND INBOARD FITTING AT RBL23 AND STA1402.FOUND DAMAGE ON FITTING TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS IAW A220 ASRP. FITTING FWD OF THE PRESSURE BULKHEAD RIGHT HAND INBD FITTING AT RBL23 AND STA 1402 WAS REPLACED IAW A220 ASRP BD500-A-J51-42-21-00AAA-078A-A AND BOMBARDIER DWG C01346550 REV. -A. (LP# 1725140; AIRCRAFT WAS GROUNDED)

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