SDR SWAA2023012682279

Service difficulty report · Angle · Boeing 7377BD

Difficulty date: December 15, 2022
Submitted: January 26, 2023
Operation: Air carrier
Aircraft: N7713A
Make and model: Boeing 7377BD
Aircraft serial: 33919
Aircraft time: 57,380 hours, 30,141 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
Condition: Cracked
Location: Zone 200
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACKED INTERCOSTAL AT FWD CABIN BS380+14 RBL10. VERIFY CRACK ON ATTACH ANGLE COMMON TO INTERCOSTAL. PERFORMED OPEN HOLE INSPECTION IAW NDI PART 6, 51-00-00 PROCEDURE 16. CRACK INDICATION AT 9:00 POSITION. PERFORMED HFEC SURFACE SCAN IAW NDI PART 6, 51-00-00, PROCEDURE 23. CRACK INDICATION .2'X.05'. LOCATED & DRILLED NEW UPPER ANGLE ON INTERCOSTAL IAW SRM 51-40-05-0G-0, & DWG 143A5410. INSTALLED NEW UPPER ANGLE ON INTERCOSTAL IAW SRM 51-40-02-0G-0 & DWG143A5400 REV A.

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