Service difficulty report · Spar · Boeing 7377H4

Difficulty date
May 9, 2021
Submitted
June 17, 2021
Operation
Air carrier
Aircraft
N440LV
Make and model
Boeing 7377H4
Aircraft serial
29835
Aircraft time
60,603 hours, 35,703 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Corroded
Location
Rt 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

CORROSION FRONT SPAR WEB LOCATED FUEL BOOSTER PUMP IFSS 120 APROX AND WBL 94.24 AT RT WING ; 2021-215293 / EVALUATED REWORKED AREA ON FRONT SPAR WEB LOCATED FUEL BOOSTER PUMP IFSS 120 APROX AND WBL 94.24 AT RT WING IAW B737-700 SRM SRM 57-20-10-1A-3;OK TO APPLY COAT OF SEALANT CLASS A (BMS5-45) ON REPAIR FASTENERS (11 E/A) COMMON TO INTERNAL AREA FUEL TANK RH WING;TOOL USED P/N NORTEC600D; S/N 2000053402;DUE DATE: 23- APR-22;TOOL USED: P/N: NORTEC 500D; S/N: N500X12101V022235; DUE DATE: 20/JUL/21;TOOL USED: UT EQUIPMENT P/N: 45MG; S/N: 130060401; DUE DATE: 22/APR/22

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