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 284 Bl0
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 BS284 BL0 WL208. ; / [01] VERIFIED APPLICABILITY OF SRM 53-10-51-0I-2 FOR IDENTIFICATION AND NO FOUND ALLOWABLE DAMAGE FOR THIS PART. REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0; PAR.9.C.; [02] CORRECTED MEASUREMENT; [03] VERIFIED APPLICABILITY OF SRM 53-10-51-0I-2 FOR IDENTIFICATION AND NO FOUND ALLOWABLE DAMAGE FOR THIS PART. REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0; PAR.9.C.; [04] REMOVED INTERCOSTAL AT FWD. WET AREA BTW BS 277.- BS. 294.5 IAW SRM 51-40-02-OG-0; [05] LOCATED AND DRILLED INTERCOSTAL P/N 141A5410-3 IAW SRM 51-40-05 ; DWG# 141A5410. OK TO INSTALL INTERCOSTAL.; [06] VERIFIED REMOVAL OF DAMAGED INTERCOSTAL; LOCATED AND DRILLED NEW INTERCOSTAL P/N 141A5410-3 IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG# 141A5410. OK TO INSTALL NEW INTERCOSTAL.; [07] TYPO CORRECTION TO STEP 4: REMOVED INTERCOSTAL AT FWD. WET AREA BTW BS 277.- BS. 294.5 IAW SRM 51-40-02-0G-0; [08] INSTALLED INTERCOSTAL AT FWD. WET AREA BTW BS 277.- BS. 294.5 IAW SRM 51-40-02-OG-0; DWG# 141A5410. ALL MAINTENANCE ACTIONS COMPLETE REQUEST FINAL BUYOFF.; [09] CORRECTING REFERENCE FOR CORRECTIVE ACTION ITEM 8: INSTALLED INTERCOSTAL AT FWD. WET AREA BTW BS 277.- BS. 294.5 IAW SRM 51-40-02-0G-0; DWG# 141A5410. ALL MAINTENANCE ACTIONS COMPLETE REQUEST FINAL BUYOFF; L AT FWD. WET AREA BTW BS 277.- BS. 294.5 IAW SRM 51-40-02-0G-0; DWG# 141A5410.; [11] VERIFIED INSTALLED INTERCOSTAL AT FWD. WET AREA BTW BS 277.- BS. 294.5 IAW SRM 51-40-02-0G-0; DWG# 141A5410.

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