Service difficulty report · Support · Boeing 7377H4

Difficulty date
November 15, 2021
Submitted
December 6, 2021
Operation
Air carrier
Aircraft
N914WN
Make and model
Boeing 7377H4
Aircraft serial
36622
Aircraft time
45,576 hours, 27,409 cycles
Part
Support
Condition
Corroded
Location
Fuselage
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 OF FWD CARGO LT FLOOR-TO-SIDEWALL SUPPORT, BS 440+2'; 440+10' AND 440+14'; BS 500+14'; LBL 25. REMOVED CORROSION, OUT OF LIMITS IAW SRM 53-00-53-1A-2, ALLOWABLE DAMAGE 2, STEP 4.2A. LOCATED AND DRILLED A NEW SIDE WALL SUPPORT ANGLE AND SPLICE ANGLE IAW SRM 51-40-05-0G-0 AND SRM 53-00-53-2R-5 REPAIR-5. APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW AMM 51-21-72-370-804, AND AMM 51-21-41-370-802. INSTALLED THE FLOOR TO SIDEWALL IAW CARD TTG8Q004ETN1.

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