Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
November 20, 2024
Submitted
December 13, 2024
Operation
Air carrier
Aircraft
N8523W
Make and model
Boeing 7378H4
Aircraft serial
36969
Aircraft time
26,231 hours, 13,036 cycles
Part
Floor Support
Condition
Corroded
Location
Zone 200
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

INTERCOSTAL AT STA 947 TO STA 967; LBL 51 HAS CORROSION AT LAV MOUNT.<[01] BLENDED CORROSION ON INTERCOSTAL STA. 947+1; LBL 51' PER SRM 51-10-02. REMOVED .010' OF MATERIAL AT THE DEEPEST POINT, REMAINING THICKNESS IS .070'. DAMAGE REMOVAL WAS FOUND TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1. REMOVED DAMAGED INTERCOSTAL AT STA. 947 TO 967 LBL 51 PER SRM 51-40-02. LOCATED AND DRILLED NEW INTERCOSTAL IAW SRM 51-40-05. INSTALLED FOUR BONDED NUTPLATES TO INTERCOSTAL. IAW SRM 51-40-10-2R-0.

More about the Boeing 737-8H4