Service difficulty report · Spar Web · Boeing 7377H4

Difficulty date
June 7, 2019
Submitted
March 10, 2022
Operation
Air carrier
Aircraft
N732SW
Make and model
Boeing 7377H4
Aircraft serial
27864
Aircraft time
70,110 hours, 41,124 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Web
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

RH WING. IRSS 145; AFT SPAR WEB HAS CORROSION AT UPPER AND LOWER GROUNDING POINTS FOR AFT BOOST PUMP / REMOVED CORRSION ON UPPER AND LOWER GROUNDING POINTS ON THE REAR SPAR AFT BOOST PUMP. LOWER BLEND EXCEEDED .100. OUT OF LIMITS IAW SRM 57-20-10-1A-3. REPAIRED IAW AAR EA 190451 IR AND SWA EA 1-757-16368 REV IR REAR SPAR WEB P/N 112A1104-4 ATAG U00132 A78261; A85915; A80511 A78682

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