# SDR CALA2026061717157

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2026
- Submitted: June 17, 2026
- Operation: Air carrier
- Aircraft: [N37521](https://openairdocs.org/aircraft/N37521), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 64497
- Aircraft time: 18,129 hours, 6,039 cycles
- System (JASC): [5247 · Auxiliary Power Unit (APU) Doors](https://openairdocs.org/jasc/5247)
- Part: Bracket
- Part number: 148A2694Y2
- Condition: Cracked
- Location: Apu Door Aft Sid
- 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/CALA2026061717157

## Discrepancy

DAMAGED HOLD-OPEN RODS BRACKET IN THE APU DOOR AFT SIDE. R & R NEW BRACKET IN THE APU DOOR AFT SIDE, APPLIED ALODINE AND PRIMER IAW DWG 148A2694 REV- & DWG 148A2690 REV- & SRM 51-40-05-0G-0, 51-40-02-0G-0, & AMM 51-21-72-370-804, 51-21-41-370-802.

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