Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
September 28, 2022
Submitted
October 25, 2022
Operation
Air carrier
Aircraft
N8644C
Make and model
Boeing 7378H4
Aircraft serial
35973
Aircraft time
26,784 hours, 12,542 cycles
Part
Floor Support
Condition
Cracked
Location
Bs 380-400 Lbl6
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 BS 380-*400 WL 208 LBL 6. / [01] REMOVED DAMAGED INTERCOSTAL STE 380-400; LBL 6; WL 208 PER SRM 51-40-02-0G-0.;[02] LOCATED AND DRILLED AND DEBURRED NEW INTERCOSTAL STE 380-400; LBL 6; WL 208 PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG# 143A5400. OK TO INSTALL.;[03] NO ALLOWABLE LIMITS FOUND SRM 51-10-02-0G-0 PAR 9.C IS APPLICABLE;[04] VERIFIED CORRECTIVE ACTIONS 1 AND 2.;[05] INSTALLED NEW INTERCOSTAL STA 380-400; LBL 6; WL 208 PER SRM 51-40-02-0G-0; DWG# 143A5400 COMPLETED REMOVED AND REPLACED TASK;[06] VERIFIED MEASUREMENT TABLE.;[07] VERIFIED CORRECTIVE ACTION 5.;[08] CORRECTIVE ACTION 4 SHOULD READ 2 AND 3.

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