Service difficulty report · Attach Angle · Boeing 737752

Difficulty date
July 19, 2023
Submitted
August 17, 2023
Operation
Air carrier
Aircraft
N7887A
Make and model
Boeing 737752
Aircraft serial
35123
Aircraft time
50,547 hours, 26,200 cycles
Part
Attach Angle
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

B.S. 663 VAPOR BARRIER UPPER ATTACH ANGLE IS CRACKED AT R.B.L. 8 W.L. 160.<[01] UPDATE STEP 2.;[02] INSTALLED NEW UPPER ATTACH ANGLE BS 663 VAPOR BARRIER PER SRM 51-40-02 AND DWG 111A1322;[03] UPDATE STEP 3;[04] UPDATED STEP 4;[05] COMPLETED STEP 4.;[06] ALL WORK COMPLETED; REMOVED AND REPLACED UPPER ATTACH ANGLE BS 663 RBL 6 TO RBL 65;[07] ALL WORK COMPLETED; REMOVED AND REPLACED UPPER ATTACH ANGLE BS 663 RBL 6 TO RBL 65 PER SRM 51-40-02 AND DWG 111A1322;[08] VERIFIED CORRECTIVE ACTION #7.<BR>VERIFIED MEASUREMENTS.