Service difficulty report · Sill Drain · Boeing 7377H4

Difficulty date
June 24, 2024
Submitted
July 24, 2024
Operation
Air carrier
Aircraft
N252WN
Make and model
Boeing 7377H4
Aircraft serial
34973
Aircraft time
59,332 hours, 35,662 cycles
Part
Sill Drain
Condition
Corroded
Location
Zone 200
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 L1 DOOR MOP SILL BS294+11 - BS344 LBL55 WL208. MARKED<[01] VERIFIED STEPS 1;3;4 COMPLETE; STEP 2 IN PARTIAL.;[02] REMOVED AND INSTALLED NEW L1 DOOR MOP SILL; PER SRM 51-40-02 AND DWG 141A8110; ID: 09 AND 10; REV: A;[03] ALL MAINTENANCE ACTIONS COMPLETED;[04] CUSTOMER CARD COMPLETE

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