Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
September 1, 2022
Submitted
October 6, 2022
Operation
Air carrier
Aircraft
N952WN
Make and model
Boeing 7377H4
Aircraft serial
36667
Aircraft time
39,061 hours, 23,816 cycles
Part
Attach Angle
Condition
Cracked
Location
Fwd Cargo Bay
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 ATTACH ANGLE AT FCB BS400 LBL25 WL154. MARKED. / [01] AFTER FURTHER INVESTIGATION FOUND NO CRACK IN THE FCB INTERCOSTAL ATTACH ANGLE BS 400 LBL 25 WL 154 PER SRM 51-10-02;[02] CORRECTION:PRIOR TO REMOVAL;FOUND PART TO HAVE NO SRM LIMITS AND SO PART IS REPAIRABLE BY REPLACEMENT;PER SRM 51-10-02-OG-0 STEP #9.;[03] REMOVED CRACKED ANGLE AT FWD CARGO BAY BS400 FWD SIDE LBL 25;IAW SRM 51-40-02-OG-0.;[04] LOCATED AND DRILLED NEW ANGLE WITH P/N143A7502U155;LOT#1496714-5;PO#874666;IAW SRM 51-40-05-OG-0;AND DWG# 143A7505 OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION 2 AND 4.<BR>OK TO INSTALL;[06] INSTALLED NEW INTERCOSTAL ATTACH ANGLE AT FWD CARGO BAY BS400 FWD SIDE LBL 25; WL 154 IAW SRM 51-40-02-OG-0;AND DWG #143A7505;[07] CORRECTION ACTION STEP6 : INSTALLED NEW INTERCOSTAL ATTACH ANGLE AT FWD CARGO BAY BS400 FWD SIDE LBL 25; WL 154 IAW SRM 51-40-02-0G-0;AND DWG #143A7505;[08] CORRECTED MEASUREMENTS;[09] RII VERIFIED CORRECTIVE ACTION ITEM 6-8.;[10] ALL STEPS COMPLETE; CARD COMPLETE.

More about the Boeing 737-7H4