Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
August 12, 2021
Submitted
August 31, 2021
Operation
Air carrier
Aircraft
N965WN
Make and model
Boeing 7377H4
Aircraft serial
36677
Aircraft time
32,936 hours, 20,041 cycles
Part
Attach Angle
Condition
Cracked
Location
Bs 663 Rbl 8
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

R/H VAPOR BARRIER UPPER ATTACH ANGLE IS CRACKED; BS 663 RBL 8 W/L 164. ; / [01] VERIFIED APPLICABILITY IAW SRM 57-10-10-2R-5; [02] REMOVED 8 EA FASTENERS COMMON TO FUEL TANK AT BS 663 BETWEEN RBL 7 TO 20; WL 164 AND CUT OUT DAMAGE ANGLE IAW SRM 57-10-10-2R-5; [03] SRM 57-10-10-2R-5 STEP 4; A AND B.; [04] ET INSPECTED HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16; NO CRACKS NOTED.<BR>CAL ID IS000450 N500D; [05] VERIFIED REMOVED 8 EA FASTENERS COMMON TO FUEL TANK AT BS 663 BETWEEN RBL 7 TO 20; WL 164 AND CUT OUT DAMAGE ANGLE IAW SRM 57-10-10-2R-5 STEPS 4 A AND B; [08] LOCATED AND DRILLED: REPLACEMENT ANGLE; CUSTOMER RO NO. ATSHFAB-101-354 JOB NUMBER 5405554; AND SPLICE ANGLE CUSTOMER RO NO ATSHFAB-101-355 JOB NUMBER 540681 IAW SRM 51-40-05 AND SRM 57-10-10-2R-5; FIG 202 SHEET 4.; [09] VERIFIED LOCATED AND DRILLED: REPLACEMENT ANGLE; CUSTOMER RO NO. ATSHFAB-101-354 JOB NUMBER 5405554; AND SPLICE ANGLE CUSTOMER RO NO ATSHFAB-101-355 JOB NUMBER 540681 IAW SRM 51-40-05 AND SRM 57-10-10-2R-5; FIG 202 SHEET 4; [10] APPLIED CHEMICAL CONVERSION AND PRIME AT REPAIR PARTS AND REPAIR AREA IAW SRM 51-21-01 AND SOPM 20-41-02; [16] INSTALLED REPAIR PARTS AND 8 EA FASTENERS COMMON TO FUEL TANK AT BS 663 WL 164;RBL 7 TO 20 IAW SRM 57-10-10-2R-5 REPAIR 5 FIG.202 SHEET 4 AND SRM 51-40-02; [17] VERIFIED INSTALL OF REPAIR PART AND FASTENERS PER SRM.(STEP 16) FABRICATED AS REQUIRED PER SRM 57-10-10-2R-5 PRIOR TO LOCATING AND DRILLING.

More about the Boeing 737-7H4