# SDR AALA202403152596

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2024
- Submitted: March 15, 2024
- Operation: Air carrier
- Aircraft: [N904AN](https://openairdocs.org/aircraft/N904AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29506
- Aircraft time: 64,984 hours, 26,870 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Fitting
- Part number: 111A24012
- Condition: Cracked
- Location: Bs 540 Lbl32
- 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/AALA202403152596

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CRACK IN CENTER WING BOX FORWARD SPAR UPPER SHEAR FITTING AT BS 540 AND LBL 32.40. REPLACED SHEAR FITTING PER AARD 57-14-00-1 REPAIR 1. THIS ACCOMPLISHES BOEING SB-737-57-1309.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.
