Service difficulty report · Floor Support · Boeing 7377CT

Difficulty date
May 15, 2021
Submitted
June 16, 2021
Operation
Air carrier
Aircraft
N7828A
Make and model
Boeing 7377CT
Aircraft serial
33697
Aircraft time
60,327 hours, 30,541 cycles
Part
Floor Support
Condition
Cracked
Location
Bs 312-328 Rbl30
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FWD WET AREA BETWEEN STA 312 TO 328 RBL 30 INTERCOSTAL HOLE HAS CRACK ; / IAW B737-7 SRM;INSPECTED INTERCOSTAL INSTALLATION;INSTALLED NEW INTERCOSTAL FWD AREA BETWEEN STA 312 TO328 IN REFB737-700 SRM 51-40-02-0G-0 DOCUMENT 141A5400;LOCATED AND DRILLED NEW INTERCOSTAL;TREATED AND PRIME HOLES IN RED B 737-700 SRM 51-40-05-0G-0 AND SRM 51-20-01-0G-0;OK TO INSTALL INTERCOSTAL;REMOVED & REPLACED INTERCOSTAL BETWEEN STA.312 TO STA.328; RBL30; REF. B737-7 SRM 51-40-05-0G-0; 51-40-02-0G-0; 51-20-01-0G-0; AND DRAWING 141A5400;REMOVED INTERCOSTAL AT FWD AREA BETWEEN STA 312 TO 328 RBL 30 IN REF 51-40-02-0G-0;VERIFIED REMOVAL AND INSPECTED AREA NO DAMAGES;VERIFIED LOCATED HOLES;VERIFIED TREATED AND PRIMED HOLES

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