# SDR ASAA2018030523920

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2018
- Submitted: March 19, 2018
- Operation: Air carrier
- Aircraft: N303AS
- Make and model: Boeing 737990
- Aircraft serial: 30016
- Aircraft time: 59,646 hours, 23,347 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Flange
- Part number: 148A864010
- Condition: Corroded
- Location: Bs 1122
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018030523920

## Discrepancy

APU INTAKE FLANGE LEADING INTO APU COMPARTMENT HAS CORROSION AROUND FASTENER HOLES ON THE OTBD SIDE.  ACFT GROUNDED.  REMOVED AND REPLACED THE APU INTAKE FLANGE IAW SRM 51-40-02-0G-0, FIG 8, AND PARA 4, 7D.

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