Service difficulty report · Panel · Boeing 73779P

Difficulty date
August 17, 2023
Submitted
September 25, 2023
Operation
Air carrier
Aircraft
N7826B
Make and model
Boeing 73779P
Aircraft serial
30035
Aircraft time
56,002 hours, 37,056 cycles
Part
Panel
Part number
UNKNOWN
Condition
Eroded
Location
Zn 500 Left Wing
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

LT WING L/E PANEL 521UB HAS WIND EROSION ON CORNER (MARKED)<FABRICATED BONDED ALUMINUM FOIL PLY USING BMS 8-289 LOT: 1524505-2 AND INSTALLED USING BMS 5-128 LOT: 1536130-2. ASSEMBLED VACUUM BAG SYSTEM. PERFORMED 5X5 LEAK TEST, PASSED USING VACUUM GAUGE ID: ATS2107 DUE: 12/2023. CURED PLY USING THERMOMETER ID: ATS2208 DUE: 10/2023. REMOVED VACUUM BAG SYSTEM AND TRIMMED EXCESS MATERIAL. IAW SRM 51-70-14-2R-3 PARA 4.A.(3-5, 11)

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