Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
July 30, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Attach Angle
Condition
Cracked
Location
Bs 400 Lbl 24
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

INTERCOSTAL ATTACH ANGLE CRACKED AT FWD CARGO BAY BS 400 LBL 24 WL 156 ; / [01] REMOVED ANGLE AT FWD CARGO BAY BS 400 LBL 24 WL 156 IAW SRM 51-40-02-0G-0-A00729; [02] CORRECTED MEASUREMENTS SECTION; [03] LOCATED AND DRILLED NEW ANGLE AT FWD CARGO BAY BS 400 LBL 24 WL 156 PER SRM 51-40-05-0G-0; [04] VERIFIED LOCATION AND DRILL UP OF NEW ANGLE PER SRM 51-40-05; [05] OK TO INSTALL NEW ANGLE ON FWD CARGO BAY BS 400 LBL 24 WL 156 PER SRM 51-40-02-0G-0; [06] OK TO INSTALL ANGLE; [07] INSTALLED ANGLE AT FWD CARGO BAY BS 400 LBL 24 WL 156 PER SRM 51-40-02-OG-0; [08] VERIFIED CORRECTIVE ACTION ENTRY 7.; [09] VERIFIED CARD COMPLETE

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