Service difficulty report · Floor Support · Boeing 7377BD

Difficulty date
November 10, 2022
Submitted
December 6, 2022
Operation
Air carrier
Aircraft
N7741C
Make and model
Boeing 7377BD
Aircraft serial
35788
Aircraft time
51,579 hours, 26,914 cycles
Part
Floor Support
Condition
Cracked
Location
Bs 277-294 Rbl 1
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

MAIN CABIN BS277 TO BS294.5 RBL 1 WL 208.1 INTERCOSTAL CRACKED AT 2 LOCATION / [01] REMOVED INTERCOSTAL CRACK AT MAIN CABIN BS. 277 TO BS. 294.5 RBL. 1. REF. SRM. 51-40-02-0G-0.;[02] VERIFIED; STEP # 1.;[03] RECEIVE; LOCATED AND DRILLE HOLES IN NEW INTERCOSTAL PN. 141A5410U3AAR . REF SRM. 51-40-02-0G-0.;[04] CORRECTION STEP #3: RECEIVED; LOCATED AND DRILLED HOLES IN NEW INTERCOSTAL PN. 141A5410U3AAR. REF; SRM. 51-40-02-05-0G-0.;[05] VERIFIED; STEP # 4. OK TO TREAT AND PRIME NEW HOLES;[06] TREATED WITH ALODINE & PRIMER NEW HOLES. REF. SRM. 51-20-01-0G-0.;[07] VERIFIED; STEP # 6. OK TO INSTALL NEW INTERCOSTAL;[08] INSTALLED NEW INTERCOSTAL PN. 141A5410U3AAR AT MAIN CABIN BS. 277 TO BS 294.5 RBL. 1; RED. SRM. 51-40-02-0G-0.;[09] COMPLETED TABLE.;[10] STEPS 4 AND 7 ARE VERIFIED AS RII;[11] VERIFIED 8

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