SDR SWAA2020080300899

Service difficulty report · Stringer · Boeing 7377H4

Difficulty date: July 15, 2020
Submitted: August 3, 2020
Operation: Air carrier
Aircraft: N488WN
Make and model: Boeing 7377H4
Aircraft serial: 33853
Aircraft time: 54,363 hours, 32,167 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Damaged
Location: Bs 500d
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

WHILE WORKING CUST CARD U190197 FOUND DAMAGED FASTENER HOLE ON LOWER LEG OF STR 21L BS 500D WL177 / REMOVED DAMAGED SECTION OF STR21L; BS500C+9-BS500D+9 PER SRM 51-10-02-0G-0. RECEIVED STRINGER FROM O.S.S. R.O.#798170-SWA-1 7075-T6 LOT#1369729 0.050'; STR HAT 7075-T6 0.056' LOT#1182 366; STRHAT 0.045' 7075-T6 LOT# 1427876-2. LOCATED; DRILLED; APPLIED CHEMICAL CONVERSION COATING; PRIMERED AND INSTALLED ALL REPAIR PARTS PER SRM 53-00-03-2R-1

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