Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
July 10, 2023
Submitted
August 15, 2023
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 7377H4
Aircraft serial
32498
Aircraft time
58,665 hours, 35,024 cycles
Part
Attach Angle
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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 ATTACH ANGLE ON CABLE GUARD INTERCOSTAL STA 692; RBL 24; WL 204.<[01] FABRICATED ATTACH ANGLE ON CABLE GUARD INTERCOSTAL STA 692; LBL 24; WL 204 FROM BAC1490-2782; LOT#1482272-2 IAW SRM 51-40-05-0G-0 AND DWG 237A9112; OK TO APPLY CHEMICAL CONVERSION AND PRIMER;[02] UPDATED STEP 1.;[03] VERIFIED CORRECTIVE ACTION 1. OK TO APPLY CHEMICAL CONVERSION AND PRIMER;[04] APPLIED CHEMICAL CONVERSION COAT AND PRIMED ATTACH ANGLE FOR BS 692 RBL 24 WL 204 IAW SRM 51-20-01-0G-0 OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION #4.<BR>VERIFIED OK TO INSTALL NEW ATTACH ANGLE.;[06] REMOVED AND REPLACED CRACK DAMAGED ATTACH ANGLE ON CABLE GUARD INTERCOSTAL AT BS 692 RBL 24 WL 204 IAW SRM 51-40-02-0G-0 AND BOEING DWG 273A9112 VERIFIED STEPS COMPLETE.;[07] VERIFIED CORRECTION ACTION STEP 6 AND MEASUREMENT TABLE.

More about the Boeing 737-7H4