# SDR AALA202112062290

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N814NN](https://openairdocs.org/aircraft/N814NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 29562
- Aircraft time: 36,531 hours, 14,772 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Intercostal
- Part number: 141A541012
- Condition: Cracked
- Location: Zone 100 - Fuse
- 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/AALA202112062290

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CRACK IN INTERCOSTAL OF FWD ENTRY FLOOR BETWEEN STA 312 AND STA 328 AT LBL 46, MEASURING L=0.5 IN. REPLACED INTERCOSTAL WITH NEW IAW AARD 51-10-02 DRAWING 141A5400.

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