Service difficulty report · Floor Support · Boeing 7377CT

Difficulty date
June 20, 2021
Submitted
July 7, 2021
Operation
Air carrier
Aircraft
N7823A
Make and model
Boeing 7377CT
Aircraft serial
32749
Aircraft time
61,112 hours, 30,940 cycles
Part
Floor Support
Condition
Cracked
Location
Bs 380-400
Stage of operation
IN
How discovered
V
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

FOUND CRACKED INTERCOSTAL BELOW FLOOR PANEL 231AF; BS 380-400; BL0; WL 208 (MARKED) ; / [01] REMOVED CRACKED INTERCOSTAL BELOW FLOOR PANEL 231AF BS 380-400 BL 0 WL 208 PER SRM 51-40-02.; [02] CERTIFIED REMOVED CRACKED INTERCOSTAL BELOW FLOOR PANEL 231AF BS 380-400 BL 0 WL 208 PER SRM 51-40-02.; [03] LOCATED AND DRILLED NEW INTERCOSTAL PER DWG 143A5400 SHEET:38 REV:A AND SRM 51-40-05.; [04] LOCATED AND DRILLED NEW INTERCOSTAL PER DWG: 143A5410 SHEET:13 REV:B AND SRM 51-40-05; [05] CERTIFIED LOCATED AND DRILLED NEW INTERCOSTAL PER DWG: 143A5410 SHEET:13 REV:B AND SRM 51-40-05.; [06] VERIFIED LOCATE AND DRILL OF NEW INTERCOSTAL PER DWG 143A5410 AND SRM 51-40-05; OK TO INSTALL; [07] INSTALLED NEW INTERCOSTAL ANGLE BELOW FLOOR PANEL 231AF BS 380-400 BL 0 WL 208 IAW SRM 51-40-02 AND DWG 143A5400 ;SHEET 38; REV:A.; [08] VERIFIED: INSTALLED NEW INTERCOSTAL ANGLE BELOW FLOOR PANEL 231AF BS 380-400 BL 0 WL 208 IAW SRM 51-40-02 AND DWG 143A5400 ;SHEET 38; REV:A.; [09] INSTALLED NEW INTERCOSTAL ANGLE BELOW FLOOR PANEL 231AF BS 380-400 BL 0 WL 208 IAW SRM 51-40-02 AND DWG 143A5400; SHEET 66; REV:-.; [10] VERIFIED: INSTALLED NEW INTERCOSTAL ANGLE BELOW FLOOR PANEL 231AF BS 380-400 BL 0 WL 208 IAW SRM 51-40-02 AND DWG 143A5400; SHEET 66; REV:-.; [11] VERIFIED REPLACEMENT OF INTERCOSTAL ANGLE BELOW FLOOR PANEL 231AF; BS 380-400; BL 0; WL 208; PER SRM 51-40-02 AND DWG 143A5400; SHEET 66; [12] VERIFIED ALL WORK COMPLETED THIS TASK

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