Service difficulty report · Former · Boeing 7377H4

Difficulty date
May 3, 2022
Submitted
June 9, 2022
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
60,414 hours, 35,826 cycles
Part
Former
Part number
116A3110
Condition
Cracked
Location
L/H 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

CRACK ON L/H WING FARING FORMER FIXED I/B L/E BS 500D.(MARKED) / [01] ADDED MEASUREMENTS;[02] PART HAS A 2.2' CRACK. NO DAMAGE LIMITS FOR PART FOUND IN SRM REPAIR B REPLACEMENT.;[03] REMOVED PART#116A3118-1 L/H WING FARING FORMER IAW SRM 51-40-02;[04] RECEIVED NEW PART. DRILLED AND LOCATED NEW PART IAW SRM 51-40-05; SRM 51-40-06; DWG 116A3118 ID 0001 REV-B OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION ENTRY 4. OK TO INSTALL GIVEN.;[06] INSTALLED L/H WING FARING FORMER FIXED I/B L/E BS 500D; IAW SRM 51-40-02-0G-0; AND DWGS 116A3110;REV -; SHT 3; AND 116A3010 REV A; SH. 21.;[07] UPDATED MEASUREMENTS;[08] VERIFIED MEASUREMENT TABLE ACCURACY AND CORRECTIVE ACTION 6.

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