Service difficulty report · Support · Boeing 73773V

Difficulty date
August 3, 2021
Submitted
September 2, 2021
Operation
Air carrier
Aircraft
N7839A
Make and model
Boeing 73773V
Aircraft serial
30243
Aircraft time
57,802 hours, 35,522 cycles
Part
Support
Condition
Cracked
Location
Bs 321 Lbl45
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 INTERCOSTAL AT FWD WET AREA BS321 LBL45 WL208. ; / [01] NO ALLOWABLE DAMAGE FOUND FOR THIS PART; PART REPAIRABLE BY REPLACEMENT<BR>IAW SRM 51-10-02-OG 0; [02] REMOVED CRACKED INTERCOSTAL FROM BS 312- BS 328 IAW SRM 51-40-02-0G-0; [03] LOCATED AND DRILLED NEW INTERCOSTAL ITEM #141A5410U12 IAW SRM 51-40-05-0G-0 ; OK TO INSTALL; [04] VERIFIED LOCATE AND DRILL OF NEW INTERCOSTAL PER SRM 51-40-05; OK TO INSTALL; [05] INSTALLED NEW INTERCOSTAL AT BS312-BS328 LBL45 WL208 ITEM 141A5410U12 IAW SRM 51-40-02-0G-0; DWG#141A5400; [06] CORRECTED MEASUREMENTS; [07] CORRECTING REFERENCE FOR CORRECTIVE ACTION ITEM 1: NO ALLOWABLE DAMAGE FOUND FOR THIS PART; PART REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0; [08] VERIFIED NO ALLOWABLE DAMAGE FOUND FOR THIS PART; PART REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 ANDINSTALLED NEW INTERCOSTAL AT BS312-BS328 LBL45 WL208 ITEM 141A5410U12 IAW SRM 51-40-02-0G-0; DWG#141A5400

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