Service difficulty report · Spar · Boeing 7377H4

Difficulty date
July 15, 2019
Submitted
March 14, 2022
Operation
Air carrier
Aircraft
N750SA
Make and model
Boeing 7377H4
Aircraft serial
29802
Aircraft time
70,914 hours, 41,553 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Corroded
Location
Lt 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

LH WING BOOST PUMP TANK 1 FWD UPPER GROUND STRAP ATTACH POINT CORRODED / REMOVED CORROSION ON L/H WING #1 FWD BOOST PUMP GROUND STRAP ATTACH POINT IAW SRM 51-10-02-0G-0. VERIFIED ALLOWABLE LIMITS; ORIGINAL .485' LOSS .126' REMAINING .359' OUT OF LIMITS IAW SRM 57-20-10-1A-3. RAEPAIRED #1 FWD BOOST PUMP AT GROUND ATTACH POINT IAW AAR EA 190534 IR AND SWA EA 1-757-16460 REV IR

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