# SDR CALA2024013100269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2024
- Submitted: January 31, 2024
- Operation: Air carrier
- Aircraft: [N23721](https://openairdocs.org/aircraft/N23721), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28940
- Aircraft time: 78,316 hours, 28,460 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Angle
- Part number: 141A811220
- Condition: Corroded
- Location: L1 Door Sill
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024013100269

## Discrepancy

SUPPORT TASK:  MAIN CABIN FWD WET AREA, L-1 DOOR SILL SUPPORT ANGLE STA 271 TO 344 LBL-60 IS CORRODED.  TRANSCRIBED FROM HAECO G SO NRC# 9286912. REMOVED CORROSION FROM ANGLE AND FOUND TO BE OUT OF LIMITS PER B 141A8112-20.  HAECO GSO MECH V934822 737-700 SRM 53-10-15-1A-1 FIG 108 DETAIL D PARA 4.B. ORIGINAL MA TERIAL THICKNESS .080", REMAINING THICKNESS .064", REMOVED .016" . REMOVED AND REPLACED ANGLE PER BAC DWG 141A8110 REV E PN#

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