Service difficulty report · Angle · Boeing 7377H4

Difficulty date
July 2, 2023
Submitted
July 17, 2023
Operation
Air carrier
Aircraft
N242WN
Make and model
Boeing 7377H4
Aircraft serial
32505
Aircraft time
56,981 hours, 34,027 cycles
Part
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

R/H VAPOR BARRIER UPPER ANGLE HAS CRACK AT STA663 WL 167 AT RBL 45<[01] RECEIVED REPAIR ANGLES FROM BACK SHOP 2024-0 .071 W/O 44942-1000-0004 AND 2024-0 .063 W/O 44942-1000-0001;[02] VERIFIED ITEM 1;[03] ACCOMPLISHED HFEC SURFACE AND OPEN HOLE IAW B737 NDT P6 51-00-00 P16 AND P23 TOOL 44291 DUE 03NOV23 NO CRACKS NOTED;[04] OK TO TREAT AND PRIME;[05] APPLIED ALODINE AND PRIMER TO REPAIR PARTS IAW SRM 51-20-01-0G-0 AMM 51-21-72-370-804;[06] STEP 5 C/W;[07] OK TO INSTALL REPAIR PARTS;[08] OK TO INSTALL REPAIR PARTS IN RII ROLE;[09] VERIFIED ITEM 1 IN RII ROLE;[10] OUT OF SEQUENCE: ACCOMPLISHED DETAILED INSPECTION OF THE REPAIR AREA AND UNDERLYING STRUCTURE NO OTHER DAMAGES FOUND IAW SRM 57-10-10-2R-5 ITEM 4;[11] INSTALLED ALL REPAIR PARTS AT STA 663 R/H IAW SRM 57-10-10-2R-5;[12] WROTE IN ERROR STEP 1<BR>SHOULD BE <BR>RECEIVED -1 AND -2 REPAIR ANGLES FROM BACK SHOP<BR>REPAIR ANGLES BEEN FABRICATED ON W/O 44942-1000-0004 AND W/O 44942-1000-0001;[13] VERIFIED ITEM 10.;[14] VERIFIED ITEMS 11;12;[15] C/W

More about the Boeing 737-7H4