Service difficulty report · Attach Angle · Boeing 73773V

Difficulty date
July 23, 2021
Submitted
September 3, 2021
Operation
Air carrier
Aircraft
N7839A
Make and model
Boeing 73773V
Aircraft serial
30243
Aircraft time
57,802 hours, 35,522 cycles
Part
Attach Angle
Condition
Cracked
Location
Bs 963 Rbl 24
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

PASSENGER CABIN ATTACH ANGLE CRACKED BS693 RBL24 WL203. ; / [01] REMOVED ANGLE AT BS 693 RBL 24 WL 203 LOCATED IN PASSENGER CABIN PER SRM 51-40-02-0G-0.; [02] FORMED ANGLE USING .050' 7075-T0 CLAD MATERIAL; LOT# 1457313-101 PER SRM 51-30-01 AND DWG 273A9112.; [03] VERIFIED ITEM 2 OK TO SEND FOR HEAT TREAT; [04] LOCATED AND DRILL ATTACH ANGLE PO#832912/1; LOT 1465626-1 BS693 RBL24 WL 203; PER SRM 51-40-05-OG-0; APPLIED CHEMICAL CONVERSION PER AMM51-21-41-370-802. OK TO APPLY PRIMER._; [05] VERIFIED LOCATE AND DRILL AND APPLICATION OF CHEMICAL CONVERSION COATING PER SRM 51-40-05 AND AMM 51-21-41; OK TO APPLY PRIMER; [06] APPLIED PRIMER AT ATTACH ANGLE PO#832912/1; LOT 1465626-1 BS693 RBL24 WL 203 PER AMM 51-21-72-370-804; OK TO INTALL.-; [07] VERIFIED APPLICATION OF PRIMER ON ATTACH ANGLE PER AMM 51-21-72; OK TO INSTALL; [08] INSTALLED ATTACH ANGLE PO#832912/1; LOT 1465626-1 BS693 RBL24 WL 203 PER SRM 51-40-02-0G-0. ALL REQUIRED MAINTENANCE ACTIONS ARE COMPLETE=REQUEST FINAL BUYOFF; [09] VERIFIED INSTALLED ATTACH ANGLE PO#832912/1; LOT 1465626-1 BS693 RBL24 WL 203 PER SRM 51-40-02-0G-0. ALL REQUIRED MAINTENANCE ACTIONS ARE COMPLETE

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