# SDR AALA202106119021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2021
- Submitted: June 11, 2021
- Operation: Air carrier
- Aircraft: [N964AN](https://openairdocs.org/aircraft/N964AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30093
- Aircraft time: 57,678 hours, 23,876 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 815A90015
- Condition: Damaged
- Location: Bs 927 Lbl25
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202106119021

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: WHILE REMOVING LEFT INBOARD AFT SEAT TRACK, STIFFENER AT STA 927, LBL 24.75  HAD SEVERAL ELONGATED HOLES THROUGH WEB/STIFFENER. REPLACED STIFFENER AND INTALLED FREEZE PLUGS FOR ELONGATED HOLES REF EA 327365 AND B737NG SRM 51-20-10-0G.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.
