Service difficulty report · Structure · Boeing 7377H4

Difficulty date
March 29, 2019
Submitted
March 4, 2022
Operation
Air carrier
Aircraft
N277WN
Make and model
Boeing 7377H4
Aircraft serial
32531
Aircraft time
41,259 hours, 24,584 cycles
System (JASC)
5711 · Wing Spar
Part
Structure
Condition
Cracked
Location
Pressure Deck We
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

REF CUSTOMER CARD E14030 RBL 25-45 REAR SPAR VERTICAL PRESSURE DECK MODIFICATION AT BS 663. DURING OPEN HOLE HFEC INSPECTION; FOUND CRACK INDICATION AT INBD DOME NUT HOLE JUST INBD OF DRAIN HOLE. MARKED IN BLACK. / CUT AND REMOVED DAMAGED AREA OF LOWER CHORD AT STA 663 RBL 34 IAW 737-700 SRM 51-10-02-0G-0. REPAIRED AREA IAW EA 190230 IR DATED 04 APR 19 AND SWA EA 1-757-16117 REVIR DATED 04 APR 19.

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