# SDR AALA202112060112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N806NN](https://openairdocs.org/aircraft/N806NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 29561
- Aircraft time: 35,630 hours, 14,536 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: None
- 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/AALA202112060112

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CRACK IN CREASE ANGLE OF FWD ENTRY DOOR THRESHOLD NEAR FLOOR AND FWD DOOR FRAME AT STA 302 AND LBL 55, MEASURING L=1.125 IN, W=0.002 IN, D=0.08 IN. REPLACED CREASE ANGLE WITH NEW IAW AARD 51-00-05-1 AND DRAWING 140A9810.

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