SDR SWAA2025093008210

Service difficulty report · Fitting · Boeing 7377H4

Difficulty date: August 25, 2025
Submitted: September 30, 2025
Operation: Air carrier
Aircraft: N909WN
Make and model: Boeing 7377H4
Aircraft serial: 32458
Aircraft time: 56,758 hours, 34,420 cycles
System (JASC): 2560 · Emergency Equipment
Part: Fitting
Condition: Corroded
Location: Girt Bar
Stage of operation: IN
How discovered: V
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

ORROSION ON GIRT BAR FITTING AT BS344, LBL 55, WL 208. VERIFIED APPLICABILITY WAS NOT FOUND ALLOWABLE DAMAGE IN SRM, PART MUST BE REPLACED IAW SRM 51-10-02 STEP 9.C. REMOVED AND INSTALLED NEW GIRT BAR FITTING AT BS344, LBL55, WL208; PER SRM 51-40-02 AND DWG 141A5220; ID: 0001; REV: -.

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