# SDR CALA2019121602204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2019
- Submitted: December 16, 2019
- Operation: Air carrier
- Aircraft: [N77258](https://openairdocs.org/aircraft/N77258), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30802
- Aircraft time: 61,302 hours, 22,140 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 148A8510
- Condition: Damaged
- Location: Bs 1123
- 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/CALA2019121602204

## Discrepancy

UPPER FUSELAGE AREA ABOVE APU BOX (INTERNAL) STRUCTURE HAS EXISTING DAMAGE AT C CHANNEL APPROX STA 1123, RBL 18 [MKD 78-50] (REF AAR NR 99861936) REPAIRED "C" CHANNEL AT UPPER FUSELAGE AREA ABOVE APU BOX APPROX STA 1123 RBL18 PER B737-800 SRM 51-70-11 FIG 201 PG207 (REF AAR NR 99861936)

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