Service difficulty report · Floor Support · Boeing 7378

Difficulty date
July 14, 2026
Submitted
August 20, 2026
Operation
Air carrier
Aircraft
N8706W
Make and model
Boeing 7378
Aircraft serial
42559
Aircraft time
22,122 hours, 10,105 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

STA 948 INTERCOSTAL THAT ATTACHES AFT OF FLOORBEAM OF 947 AT LBL 51 HAS PITTING AND CORROSION. LOCATED AND DRILLED NEW INTERCOSTAL PER SRM 51-40-05 AND DRAWING 147A5650. INSTALL WILL BE COMPLETED ON TASK CARD TTG8Q01D6ER9 STEP 7. CORROSION OUT OF LIMITS PER SRM 53-70-51-1A-1 R&R INTERCOSTAL @STA 948 LBL 51 PER SRM 51-40-02 VERIFIED C.A. STEP 3 REMOVAL AND REPLACEMENT OF THE INTERCOSTAL BS 948 LBL 51 PER SRM 51-40-02. VERIFIED REMOVAL AND REPLACEMENT OF INTERCOSTAL BETWEEN STA. 947 TO STA. 967 AT LBL 51 PER SRM 51-40-02 AND DRAWING 147A5650. INSPECTED WORK ABOVE

More about the Boeing 737-8