Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
December 13, 2023
Submitted
January 25, 2024
Operation
Air carrier
Aircraft
N8313F
Make and model
Boeing 7378H4
Aircraft serial
38810
Aircraft time
37,864 hours, 17,584 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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

CORROSION ON MOP SILL UNDER FLOOR PANEL 242QF AT STA 867; RBL 64; WL 208. (MARKED)<[01] COMPLETED STEPS 1 AND 2.;[02] ADDED TOOL INFO. TO STEP 2.;[03] UPDATE STEP 4;[04] INSTALLED FOD/EWIS PROTECTION;[05] UPDATE STEP 7;[06] REMOVED CORROSION ON MOP SILL (CREASE BEAM INNER CHORD) UNDER FLOOR PANEL 242QF BS 867 RBL 46 WL 208; FOUND TO BE OUT OF LIMITS PER SRM 53-60-13-1A-1. REMOVED AND REPLACED INNER CHORD IAW SRM 51-40-02; DWG 146A5900 REV - AND DWG 147A0060 REV -;[07] VERIFIED CORRECTIVE ACTION 6;[08] VERIFIED CORRECTIVE ACTION 6 AND MEASUREMENT TABLE

More about the Boeing 737-8H4